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Thyroid Essentials

Swanson
4.7
★ ★ ★ ★ ★
(1375 ratings)
Vitamin B6 25 mg
Copper 2 mg
Riboflavin 25 mg
Zinc 25 mg
Thiamin 25 mg
Vitamin B5 25 mg
Tyrosine 150 mg
Product Image
Score75
A convenient, well-rounded thyroid blend with good selenium, though oxide minerals and high B6 and zinc limit long-term appeal.
How scoring works
Quantity:90 Capsule(s) • (90 servings)
Goals:
Metabolism Boost

Score 75

A convenient, well-rounded thyroid blend with good selenium, though oxide minerals and high B6 and zinc limit long-term appeal.
How scoring works
$11.49($0.12 per serving)
iHerb
$ 11.49
iHerb
$ 11.49
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Analysis

Iodine, selenium, zinc, tyrosine, and B vitamins provide broad support for normal thyroid-related nutrient needs. The one-capsule serving and low serving cost make routine use convenient.

Selenomethionine is a useful form, but zinc and magnesium are oxides and tyrosine is modest. The relatively high pyridoxine and zinc amounts are harder to justify for indefinite daily use.

It fits adults who want a compact thyroid-nutrient blend after confirming that iodine is appropriate. The formula is less appealing for users already taking a multivitamin because several nutrients could stack quickly.

Who is it for
  • Adults seeking a compact thyroid nutrient formula
  • People who have confirmed that supplemental iodine fits their needs
Best for
  • One-capsule thyroid nutrient support
  • Broad B-vitamin and trace-mineral coverage

Pros

  • Uses selenomethionine
  • Includes iodine with tyrosine
  • Convenient one-capsule serving

Cons

  • Uses zinc oxide and magnesium oxide
  • Tyrosine amount is modest
  • B6 and zinc are high for routine stacking

Warnings

  • Iodine may aggravate thyroid instability in susceptible users or complicate thyroid medication management.
  • Long-term supplemental vitamin B6 can contribute to tingling or nerve symptoms, especially when combined with other products.
  • Regular high zinc intake without enough copper can gradually impair copper status.

Nutrient quality

68 High impact

Selenomethionine and copper gluconate are useful, while zinc oxide, magnesium oxide, and cyanocobalamin are less favorable forms. Several B vitamins are substantial, but tyrosine, folate, and magnesium provide limited functional depth.

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Ingredient transparency

80 High impact

Active amounts and key forms are clear, though complete capsule excipients are not supplied. Complete non-active ingredient details are not included in the supplied label data.

.

Customer satisfaction

72 High impact

The supplied average rating is favorable. Detailed firsthand feedback is unavailable, so recurring complaints and purpose fit cannot be assessed.

.

Value for money

80 Highest impact

The inexpensive serving delivers many disclosed nutrients despite mixed form quality. The focused ingredient list avoids costly low-value extras.

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Report analysis

Goals

Metabolism Boost
Metabolic B-Vitamins
Metabolism Boost
Impact
High effect
C+ Goal FitD+ Strength of SupportB- CoverageB+ Formula Quality
Niacin · 25 mg NEVitamin B12 · 25 mcgRiboflavin · 25 mgThiamin · 25 mgVitamin B5 · 25 mgVitamin B6 · 25 mgZinc · 25 mgMagnesium · 25 mg

Iodine, selenium, zinc, tyrosine, B vitamins, and coleus target thyroid-related and cellular energy pathways. The concept is relevant, but benefits depend heavily on nutrient status and forskolin evidence is inconsistent.

Several doses are useful, while magnesium and selenium are modest and active forskolin yield is unclear. Iodine and tyrosine can complicate thyroid treatment, so people using thyroid medication need product-specific medical guidance.

Study evidence
Iodine Mixed 17 studies
Magnesium Supportive 61 studies
Selenium Mixed 28 studies
Zinc Supportive 12 studies
Hair Health
Hair Health
Impact
Moderate effect
C Goal FitC- Strength of SupportC- CoverageB Formula Quality
Zinc · 25 mg

Zinc, iodine, selenium, and tyrosine support thyroid-related nutrient pathways that can affect hair when thyroid nutrition is inadequate. The formula does not provide structural proteins, iron, biotin, or targeted hormonal follicle support.

Zinc and magnesium use oxide forms, reducing absorption quality, while folate is extremely low. The product is best understood as thyroid support with indirect hair relevance.

Study evidence
Folate Mixed 15 studies
Iodine No effect 1 study
Selenium Disputed 7 studies
Zinc Supportive 22 studies
Energy
Energy
Impact
Moderate effect
B- Goal FitD+ Strength of SupportC CoverageC+ Formula Quality
Iodine · 100 mcgVitamin B5 · 25 mgMagnesium · 25 mgRiboflavin · 25 mgThiamin · 25 mgVitamin B12 · 25 mcg

B vitamins, tyrosine, iodine, and selenium support metabolic and thyroid-related processes that can influence energy when status is inadequate. The formula does not contain a direct stimulant or a well-dosed mitochondrial active.

Tyrosine is modest, vitamin B12 is low for targeted energy support, and magnesium and zinc use oxide forms. The thyroid-focused ingredients make the product less suitable as a general-purpose energy supplement.

Study evidence
Iodine Adverse 3 studies
Magnesium Supportive 4 studies
General Health
General Health
Impact
Moderate effect
C Goal FitC- Strength of SupportD+ CoverageB Formula Quality
Folate · 40 mcg DFEVitamin B12 · 25 mcgMagnesium · 25 mgSelenium · 50 mcgZinc · 25 mg

The capsule supplies B vitamins, iodine, zinc, selenium, and tyrosine that support basic nutrient status and thyroid-related metabolism. Selenium is well formed and several nutrient amounts are substantial.

Magnesium and folate are minimal, zinc uses oxide, and the formula is narrower than a general daily supplement. People with thyroid conditions or using thyroid hormone should treat the iodine, tyrosine, and coleus combination as a targeted formula rather than routine broad coverage.

Study evidence
Folate Supportive 80 studies
Magnesium Supportive 114 studies
Selenium Supportive 70 studies
Zinc Supportive 60 studies
Immunity
Immunity
Impact
Moderate effect
D+ Goal FitC+ Strength of SupportD CoverageB Formula Quality
Magnesium · 25 mgZinc · 25 mgSelenium · 50 mcg

Zinc and selenium provide direct support for normal immune-cell and antioxidant function. Zinc is supplied at a strong amount, but zinc oxide is less favorable than organic salts and the formula lacks vitamin C, vitamin D, and vitamin A.

Most ingredients target thyroid physiology rather than the selected goal, leaving immune coverage narrow. The formula is therefore better suited to its stated thyroid purpose than to broad daily immunity.

Study evidence
Selenium Mixed 37 studies
Zinc Supportive 73 studies
Testosterone Support
Testosterone Support
Impact
Moderate effect
C Goal FitC- Strength of SupportD CoverageD+ Formula Quality
Magnesium · 25 mgZinc · 25 mg

A robust zinc amount and vitamin B6 provide foundational nutrients for steroidogenesis and related metabolism. Copper helps balance the zinc for ongoing use.

Zinc oxide and magnesium oxide are weak absorption choices, while magnesium is too low and vitamin D is absent. The thyroid-focused botanicals do not create broader testosterone support.

Study evidence
Magnesium Disputed 5 studies
Zinc Disputed 7 studies

Ingredients

IngredientAmount per serving
Thiamine (Vitamin B1, Thiamine Mononitrate)
 25 mg
Riboflavin (Vitamin B2)
 25 mg
Niacin (Niacinamide)
 25 mg NE
Vitamin B6 (Pyridoxine Hydrochloride)
 25 mg
Folate
40 mcg DFE
Vitamin B12 (Cyanocobalamin)
 25 mcg
Pantothenic Acid (Calcium Pantothenate)
 25 mg
Iodine (Kelp)
 100 mcg
Magnesium (Magnesium Oxide)
 25 mg
Zinc (Zinc Oxide)
 25 mg
Selenium (Selenomethionine)
 50 mcg
Copper (Copper Gluconate)
 2 mg
L-Tyrosine
150 mg
Coleus forskohlii (Forskolin)
 50 mg
Adults 18–50
Report overview
Vitamin B6 (Pyridoxine Hydrochloride) · 25 mg OverallScore86
C+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
Pyridoxine hydrochloride is supported by riboflavin but still depends on conversion to active P-5-P. The amount is in the target range, and one capsule provides the full disclosed serving. Its B-vitamin support and low serving cost make value a clear strength.
View ingredientView products
Copper (Copper Gluconate) · 2 mg OverallScore83
C- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Copper gluconate offers modest absorption rather than the stronger performance of a chelate. The 2 mg dose matches routine maintenance, and the 25 mg zinc dose is well balanced with it. Serving cost is low, making the formula economical despite the ordinary copper form.

View ingredientView products
Riboflavin (Vitamin B2) · 25 mg OverallScore72
D- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value

The 25 mg amount provides moderate metabolic support, although standard riboflavin requires conversion to its active coenzyme form. The capsule should dissolve quickly and support efficient release. The dose-for-cost balance is especially favorable.

View ingredientView products
Loading alternative details
48 Performance

Super Macho

DLC Laboratories Inc.
<p>Tyrosine, zinc, ginseng, and B vitamins overlap with parts of the original’s energy-oriented profile. Small amounts, elevated vitamin B6, and a poorly supported bovine glandular ingredient make it less coherent for thyroid support.</p>
51 Performance

Women's Living Green Liquid-Gel Multi

Irwin Naturals
<p>Broad micronutrient coverage includes useful B vitamins and copper in a general women’s formula. Numerous proprietary blends, zinc oxide, and the lack of a focused iodine-and-tyrosine strategy make it a weak thyroid alternative.</p>
59 Performance

Adult's Chewable Pineapple Flavor

NaturesPlus
<p>Methylfolate, methylcobalamin, vitamin D3, and natural vitamin E provide several favorable forms in a convenient chewable. Small mineral amounts and the absence of meaningful thyroid-focused ingredients keep it from matching the original’s purpose.</p>
61 Budget

B 50 Complex

Spring Valley
<p>The lower-cost B-complex covers the core B vitamins for general energy metabolism. It lacks iodine, selenium, and meaningful tyrosine, while missing chemical forms and high vitamin B6 make it a poor direct thyroid substitute.</p>
62 Budget

B 50 Complex

Thompson
<p>Broad B-vitamin coverage comes at a lower serving cost than the original. Conventional forms, sustained high vitamin B6, and the absence of the original’s iodine, selenium, and tyrosine reduce thyroid relevance.</p>
70 Budget

Multi and Mineral

Swanson
<p>The inexpensive formula provides broad vitamin and mineral coverage with clearly stated active amounts. Basic mineral forms and aggressive vitamin A, niacin, and selenium weaken balance, and its general-purpose design is less thyroid-focused.</p>
66 Value

Megasorb B-Complex '50'

Solgar
<p>Active riboflavin and vitamin B6 improve the form profile at a serving cost close to the original. The high vitamin B6 amount may be unsuitable for long-term use, and no iodine or thyroid-focused botanical support is provided.</p>
65 Value

Super B-50

NaturesPlus
<p>Methylfolate, methylcobalamin, and broad B-vitamin coverage provide reasonable energy support at modest serving cost. High pyridoxine and the absence of iodine, selenium, zinc, and tyrosine make it less suitable for thyroid-focused use.</p>
64 Value

B-50 Complex

Nature's Way
<p>Active riboflavin and clear B-vitamin amounts offer straightforward metabolic support at accessible value. High vitamin B6 raises a long-term safety concern, and the formula lacks the original’s thyroid-oriented minerals and tyrosine.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Association of radioactive iodine treatment with survivorship symptoms and primary care utilisation in women of reproductive age with thyroid cancer: a retrospective cohort study.
    Devanarayan P; Hartman M; Partin M · Family medicine and community health · 2026
    Cohort study10,882 participantsEnergy forIodine
  2. Energy level and fatigue after surgery for thyroid cancer: A population-based study of patient-reported outcomes.
    Hughes DT; Reyes-Gastelum D; Kovatch KJ; Hamilton AS; Ward KC; Haymart MR · Surgery · 2020
    Cohort study2,584 participantsEnergy forIodine
  3. Health-Related Quality of Life in Differentiated Thyroid Cancer Survivors: A Cross-Sectional Study From Turkey.
    Gültekin A; Kahraman MY; Şengöz T; Şimşek FS · Head & neck · 2026
    Cross-sectional study202 participantsEnergy forIodine
  4. Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
    Hausenblas HA; Lynch T; Hooper S; Shrestha A; Rosendale D; Gu J · Sleep medicine: X · 2025
    Randomized trial80 participantsEnergy forMagnesium
  5. Total magnesium intake and risk of frailty in older women.
    Struijk EA; Fung TT; Bischoff-Ferrari HA; Willett WC; Lopez-Garcia E · Journal of cachexia, sarcopenia and muscle · 2024
    Cohort study81,524 participantsEnergy forMagnesium
  6. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  7. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  8. Intakes of Folate, Vitamin B6, and Vitamin B12 in Relation to All-Cause and Cause-Specific Mortality: A National Population-Based Cohort.
    Bo Y; Xu H; Zhang H; Zhang J; Wan Z; Zhao X; Yu Z · Nutrients · 2022
    Cohort study55,569 participantsGeneral Health forFolate
  9. The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
    Schorah CJ; Devitt H; Lucock M; Dowell AC · European journal of clinical nutrition · 1998
    Randomized trial119 participantsGeneral Health forFolate
  10. Associations of Serum Folate and Homocysteine Concentrations with All-Cause, Cardiovascular Disease, and Cancer Mortality in Men and Women in Korea: the Cardiovascular Disease Association Study.
    Song S; Song BM; Park HY · The Journal of nutrition · 2023
    Cohort study21,260 participantsGeneral Health forFolate
  11. The concept of folic acid supplementation and its role in prevention of neural tube defect among pregnant women: PRISMA.
    Seyoum Tola F · Medicine · 2024
    Systematic reviewGeneral Health forFolate
  12. Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations.
    Colapinto CK; O'Connor DL; Sampson M; Williams B; Tremblay MS · Journal of public health (Oxford, England) · 2017
    Systematic review71,847 participants46 studies pooledGeneral Health forFolate
  13. Perioperative systemic magnesium to minimize postoperative pain: a meta-analysis of randomized controlled trials.
    De Oliveira GS; Castro-Alves LJ; Khan JH; McCarthy RJ · Anesthesiology · 2013
    Meta-analysis1,257 participants20 studies pooledGeneral Health forMagnesium
  14. Long-term outcome after intravenous magnesium sulphate in suspected acute myocardial infarction: the second Leicester Intravenous Magnesium Intervention Trial (LIMIT-2).
    Woods KL; Fletcher S · Lancet (London, England) · 1994
    Randomized trial2,316 participantsGeneral Health forMagnesium
  15. Association of magnesium sulfate use with mortality in critically ill patients with sepsis: a retrospective propensity score-matched cohort study.
    Gu WJ; Duan XJ; Liu XZ; Cen Y; Tao LY; Lyu J; Yin HY · British journal of anaesthesia · 2023
    Cohort study10,999 participantsGeneral Health forMagnesium
  16. Hypomagnesemia and Mortality in Incident Hemodialysis Patients.
    Li L; Streja E; Rhee CM; Mehrotra R; Soohoo M; Brunelli SM; Kovesdy CP; Kalantar-Zadeh K · American journal of kidney diseases : the official journal of the National Kidney Foundation · 2016
    Cohort study9,359 participantsGeneral Health forMagnesium
  17. The effects of magnesium supplementation on abnormal uterine bleeding, alopecia, quality of life, and acne in women with polycystic ovary syndrome: a randomized clinical trial.
    Jaripur M; Ghasemi-Tehrani H; Askari G; Gholizadeh-Moghaddam M; Clark CCT; Rouhani MH · Reproductive biology and endocrinology : RB&E · 2022
    Randomized trial64 participantsGeneral Health forMagnesium
  18. Associations of selenium status with all-cause and cause-specific mortality: a systematic review and meta-analysis of cohort studies.
    Cui Z; Xie R; Lu X; Schomburg L; Brenner H; Schöttker B · Redox biology · 2025
    Meta-analysis95 participants20 studies pooledGeneral Health forSelenium
  19. Dietary Antioxidants, Circulating Antioxidant Concentrations, Total Antioxidant Capacity, and Risk of All-Cause Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Observational Studies.
    Jayedi A; Rashidy-Pour A; Parohan M; Zargar MS; Shab-Bidar S · Advances in nutrition (Bethesda, Md.) · 2019
    Meta-analysis507,251 participants41 studies pooledGeneral Health forSelenium
  20. The efficacy and safety of selenium supplementation versus placebo in the treatment of Graves' orbitopathy: A systematic review and meta-analysis of randomised controlled trials.
    Sharabati I; Qafesha RM; Hindawi MD; Amro S; Ayesh BM · Clinical endocrinology · 2024
    Meta-analysis4 studies pooledGeneral Health forSelenium
  21. Associations of plasma metal concentrations with the risks of all-cause and cardiovascular disease mortality in Chinese adults.
    Shi L; Yuan Y; Xiao Y; Long P; Li W; Yu Y; Liu Y; Liu K; Wang H; Zhou L; Yang H; Li X; He M; Wu T · Environment international · 2021
    Cohort study6,155 participantsGeneral Health forSelenium
  22. Updates on clinical studies of selenium supplementation in radiotherapy.
    Puspitasari IM; Abdulah R; Yamazaki C; Kameo S; Nakano T; Koyama H · Radiation oncology (London, England) · 2015
    Systematic review16 studies pooledGeneral Health forSelenium
  23. Effectiveness of sodium bicarbonate and zinc chloride mouthwashes in the treatment of oral mucositis and quality of life in patients with cancer under chemotherapy.
    Mohammadi F; Oshvandi K; Kamallan SR; Khazaei S; Ranjbar H; Ahmadi-Motamayel F; Gillespie M; Jenabi E; Vafaei SY · Nursing open · 2022
    Randomized trial144 participantsGeneral Health forZinc
  24. Zinc supplementation in young children with acute diarrhea in India.
    Sazawal S; Black RE; Bhan MK; Bhandari N; Sinha A; Jalla S · The New England journal of medicine · 1995
    Randomized trial937 participantsGeneral Health forZinc
  25. Associations of mortality with ocular disorders and an intervention of high-dose antioxidants and zinc in the Age-Related Eye Disease Study: AREDS Report No. 13.
    Clemons TE; Kurinij N; Sperduto RD; AREDS Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2004
    Randomized trial4,753 participantsGeneral Health forZinc
  26. Effects of zinc and probiotic co-supplementation on inflammation, gastrointestinal symptoms, quality of life, and mood in irritable bowel syndrome patients.
    Rezazadegan M; Soheilipour M; Amani R · Scientific reports · 2026
    Randomized trial84 participantsGeneral Health forZinc
  27. Effect of zinc sulfate supplementation on premenstrual syndrome and health-related quality of life: Clinical randomized controlled trial.
    Siahbazi S; Behboudi-Gandevani S; Moghaddam-Banaem L; Montazeri A · The journal of obstetrics and gynaecology research · 2018
    Randomized trial142 participantsGeneral Health forZinc
  28. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
    Zhang W; Fan M; Wang C; Mahawar K; Parmar C; Chen W; Yang W; Global Bariatric Research Collaborative · Obesity surgery · 2021
    Meta-analysis2,538 participants18 studies pooledHair Health forFolate
  29. Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
    Al-Fawaeir S; Al-Odat I · Diseases (Basel, Switzerland) · 2025
    Case-control study200 participantsHair Health forFolate
  30. Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
    Saini A; Norman AR; Cunningham D; Chau I; Hill M; Tait D; Hickish T; Iveson T; Lofts F; Jodrell D; Ross PJ; Oates J · British journal of cancer · 2003
    Randomized trialHair Health forFolate
  31. Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
    Jonker D; Rumble RB; Maroun J; Gastrointestinal Cancer Disease Site Groupof Cancer Care Ontario’s Program in Evidence-Based Care · Current oncology (Toronto, Ont.) · 2012
    Randomized trialHair Health forFolate
  32. Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
    Nolè F; de Braud F; Aapro M; Minchella I; De Pas TM; Zampino MG; Monti S; Andreoni G; Goldhirsch A · Annals of oncology : official journal of the European Society for Medical Oncology · 1997
    Randomized trialHair Health forFolate
  33. [Evaluation of the role of dietary intake in the occurrence of alopecia].
    El Fékih N; Kamoun H; Fazaa B; El Ati J; Zouari B; Kamoun MR; Gaigi S · Revue medicale de Liege · 2010
    Case-control study272 participantsHair Health forIodine
  34. Beyond Efficacy: 0.6% Selenium Disulfide Shampoo Matches 2% Ketoconazole for Seborrheic Dermatitis with Superior Cosmesis.
    Farris PK; Barbosa V; Houshman EB; Kovylkina N · Journal of drugs in dermatology : JDD · 2026
    Randomized trial87 participantsHair Health forSelenium
  35. Selenium Disulfide-based shampoo applied for 4 weeks significantly improves dandruff and seborrheic dermatitis.
    Turcu G; Artenie C; Nowicka D; Arenbergerová M; Lazaridou E; Khobzei K; Ataseven A; Part M; Leclerc-Mercier S · European journal of dermatology : EJD · 2023
    Observational study1,407 participantsHair Health forSelenium
  36. A Comparative Randomized Clinical Study Assessing the Efficacy of a 1% Selenium Disulfide-Based Shampoo versus 2% Ketoconazole Shampoo in Subjects with Moderate to Severe Scalp Seborrheic Dermatitis.
    Barbosa V; Melo DF; Vañó-Galván S; Lutchmanen-Kolanthan V; Sant'Anna B; Leclerc-Mercier S; Reygagne P · Skin appendage disorders · 2025
    Randomized trial64 participantsHair Health forSelenium
  37. Changes of serum trace elements level in patients with alopecia areata: A meta-analysis.
    Jin W; Zheng H; Shan B; Wu Y · The Journal of dermatology · 2018
    Meta-analysis764 participantsHair Health forSelenium
  38. Scientific opinion on the tolerable upper intake level for selenium.
    EFSA Panel on Nutrition, Novel Foods and Food Allergens (NDA); Turck D; Bohn T; Castenmiller J; de Henauw S; Hirsch-Ernst KI; Knutsen HK; Maciuk A; Mangelsdorf I; McArdle HJ; Peláez C; Pentieva K; Siani A; Thies F; Tsabouri S; Vinceti M; Aggett P; Crous Bou M; Cubadda F; Ciccolallo L; de Sesmaisons Lecarré A; Fabiani L; Titz A; Naska A · EFSA journal. European Food Safety Authority · 2023
    Systematic reviewHair Health forSelenium
  39. The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
    Berger RS; Fu JL; Smiles KA; Turner CB; Schnell BM; Werchowski KM; Lammers KM · The British journal of dermatology · 2003
    Randomized trial200 participantsHair Health forZinc
  40. Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
    Schwartz JR; Henry JP; Kerr KM; Flagler MJ; Page SH; Redman-Furey N · Journal of cosmetic dermatology · 2018
    Randomized trialHair Health forZinc
  41. A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
    Draelos ZD; Kenneally DC; Hodges LT; Billhimer W; Copas M; Margraf C · The journal of investigative dermatology. Symposium proceedings · 2006
    Randomized trial40 participantsHair Health forZinc
  42. BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
    Ozturk P; Kurutas E; Ataseven A; Dokur N; Gumusalan Y; Gorur A; Tamer L; Inaloz S · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2015
    Case-control study216 participantsHair Health forZinc
  43. Analysis of serum zinc and copper concentrations in hair loss.
    Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
    Case-control study342 participantsHair Health forZinc
  44. Effects of selenium supplementation on selenoprotein gene expression and response to influenza vaccine challenge: a randomised controlled trial.
    Goldson AJ; Fairweather-Tait SJ; Armah CN; Bao Y; Broadley MR; Dainty JR; Furniss C; Hart DJ; Teucher B; Hurst R · PloS one · 2011
    Randomized trial119 participantsImmunity forSelenium
  45. Effect of selenium on immune response against hepatitis B vaccine with accelerated method in insulin-dependent diabetes mellitus patients.
    Janbakhsh A; Mansouri F; Vaziri S; Sayad B; Afsharian M; Rahimi M; Shahebrahimi K; Salari F · Caspian journal of internal medicine · 2013
    Randomized trial62 participantsImmunity forSelenium
  46. Chemoprevention trial of human hepatitis with selenium supplementation in China.
    Yu SY; Li WG; Zhu YJ; Yu WP; Hou C · Biological trace element research · 1990
    Non-randomized trial20,847 participantsImmunity forSelenium
  47. Selenium nanoparticles as adjunctive therapy in sepsis: A pilot randomized clinical trial.
    Gu WJ; Huang W; Zhao FZ; Yuan XK; Jin K; Chen JL; Zhang CY; Huang Y; He L; Zhuang H; Yin HY; Chen T · Drug resistance updates : reviews and commentaries in antimicrobial and anticancer chemotherapy · 2026
    Randomized trial70 participantsImmunity forSelenium
  48. Selenium supplementation in patients with autoimmune thyroiditis decreases thyroid peroxidase antibodies concentrations.
    Gärtner R; Gasnier BC; Dietrich JW; Krebs B; Angstwurm MW · The Journal of clinical endocrinology and metabolism · 2002
    Randomized trial70 participantsImmunity forSelenium
  49. Nutrient supplementation for prevention of viral respiratory tract infections in healthy subjects: A systematic review and meta-analysis.
    Vlieg-Boerstra B; de Jong N; Meyer R; Agostoni C; De Cosmi V; Grimshaw K; Milani GP; Muraro A; Oude Elberink H; Pali-Schöll I; Roduit C; Sasaki M; Skypala I; Sokolowska M; van Splunter M; Untersmayr E; Venter C; O'Mahony L; Nwaru BI · Allergy · 2022
    Meta-analysis199,055 participants115 studies pooledImmunity forZinc
  50. Zinc supplementation reduces the incidence of acute lower respiratory infections in infants and preschool children: a double-blind, controlled trial.
    Sazawal S; Black RE; Jalla S; Mazumdar S; Sinha A; Bhan MK · Pediatrics · 1998
    Randomized trial609 participantsImmunity forZinc
  51. A randomized controlled trial of zinc supplementation in the treatment of acute respiratory tract infection in Thai children.
    Rerksuppaphol S; Rerksuppaphol L · Pediatric reports · 2020
    Randomized trial64 participantsImmunity forZinc
  52. The effect of zinc and vitamin A supplementation on immune response in an older population.
    Fortes C; Forastiere F; Agabiti N; Fano V; Pacifici R; Virgili F; Piras G; Guidi L; Bartoloni C; Tricerri A; Zuccaro P; Ebrahim S; Perucci CA · Journal of the American Geriatrics Society · 1998
    Randomized trial136 participantsImmunity forZinc
  53. The role of specific nutrients in preventing immune system and blood cell disorders: an umbrella review.
    Vecchietti A; Strano P; Minutolo G; Grieco V; Cappuccio G; Granvillano G; Confalonieri L; Briganti GL; Raso E; Chimienti M; Pellegrini M; Mercogliano M; Spatari G; Lugli C; Urbano T; Lorenzon A · Journal of preventive medicine and hygiene · 2026
    Systematic review13 studies pooledImmunity forZinc
  54. Iodine Supplementation Decreases Hypercholesterolemia in Iodine-Deficient, Overweight Women: A Randomized Controlled Trial.
    Herter-Aeberli I; Cherkaoui M; El Ansari N; Rohner R; Stinca S; Chabaa L; von Eckardstein A; Aboussad A; Zimmermann MB · The Journal of nutrition · 2015
    Randomized trial163 participantsMetabolism Boost forIodine
  55. Effect of oral iodized oil on thyroid size and thyroid hormone metabolism in children with concurrent selenium and iodine deficiency.
    Zimmermann MB; Adou P; Torresani T; Zeder C; Hurrell RF · European journal of clinical nutrition · 2000
    Single-arm trial51 participantsMetabolism Boost forIodine
  56. Serum Iodine Concentration as a Biomarker for Individual Iodine Nutrition and Thyroid Function in Pregnant Women: A Cross-Sectional Study in Hubei Province.
    Xu M; Dai X; Wang Z; Guo C; Zhang B; Guo H · Public health nutrition · 2026
    Cross-sectional study1,197 participantsMetabolism Boost forIodine
  57. Iron status influences the efficacy of iodine prophylaxis in goitrous children in Côte d'Ivoire.
    Zimmermann MB · International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition · 2002
    OtherMetabolism Boost forIodine
  58. Persistence of goiter despite oral iodine supplementation in goitrous children with iron deficiency anemia in Côte d'Ivoire.
    Zimmermann M; Adou P; Torresani T; Zeder C; Hurrell R · The American journal of clinical nutrition · 2000
    Non-randomized trial109 participantsMetabolism Boost forIodine
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    Zhao B; Deng H; Li B; Chen L; Zou F; Hu L; Wei Y; Zhang W · Diabetes/metabolism research and reviews · 2021
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    Tan X; Huang Y · Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology · 2022
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    Basit A; Kumar S; Ahmed H; Babar R; Saeed SS; Siddiqui TA; Khan S; Saeed A; Khan M; Hanif H; Fasih A; Shabbir S; Kumar H; Kumar L; Raja A; Kumar S; Chander S · Journal of diabetes and metabolic disorders · 2026
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    Rodríguez-Morán M; Guerrero-Romero F · Diabetes care · 2003
    Randomized trial63 participantsMetabolism Boost forMagnesium
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    Razzaghi R; Pidar F; Momen-Heravi M; Bahmani F; Akbari H; Asemi Z · Biological trace element research · 2018
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    Asemi Z; Jamilian M; Mesdaghinia E; Esmaillzadeh A · Nutrition (Burbank, Los Angeles County, Calif.) · 2016
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    Jamilian M; Razavi M; Fakhrie Kashan Z; Ghandi Y; Bagherian T; Asemi Z · Clinical endocrinology · 2016
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    Hu X; Wang W; Su X; Peng H; Tan Z; Li Y; Huang Y · PeerJ · 2023
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  67. The Effects of Selenium Supplementation on Gene Expression Related to Insulin and Lipid Metabolism, and Pregnancy Outcomes in Patients with Gestational Diabetes Mellitus: a Randomized, Double-Blind, Placebo-Controlled Trial.
    Karamali M; Dastyar F; Badakhsh MH; Aghadavood E; Amirani E; Asemi Z · Biological trace element research · 2021
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    Niu X; Zhang Y; Liu Y; Zhu Y; Fang B; Hu C; Xu X; Wang R; Sang Y; Zhang Q; Guo J · Frontiers in nutrition · 2026
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  69. The effect of curcumin and zinc co-supplementation on glycemic parameters in overweight or obese prediabetic subjects: A phase 2 randomized, placebo-controlled trial with a multi-arm, parallel-group design.
    Karandish M; Mozaffari-Khosravi H; Mohammadi SM; Cheraghian B; Azhdari M · Phytotherapy research : PTR · 2021
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    Suka M; Tsuruta H; Takao T; Yanagisawa H · Diabetology international · 2026
    Cross-sectional study533 participantsMetabolism Boost forZinc
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    Banaszak M; Górna I; Przysławski J · Nutrients · 2021
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    Ferdowsi PV; Ahuja KDK; Beckett JM; Myers S · Molecules (Basel, Switzerland) · 2023
    Narrative reviewMetabolism Boost forZinc
  73. Zinc and Diabetes: A Connection between Micronutrient and Metabolism.
    Ahmad R; Shaju R; Atfi A; Razzaque MS · Cells · 2024
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  74. Noninferiority of Copper Dressings Than Negative Pressure Wound Therapy in Healing Diabetic Wounds: A Randomized Clinical Trial.
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    Borkow G; Gabbay J; Lyakhovitsky A; Huszar M · International journal of cosmetic science · 2010
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  76. Radially Electrospun Fibrous Membrane Incorporated with Copper Peroxide Nanodots Capable of Self-Catalyzed Chemodynamic Therapy for Angiogenesis and Healing Acceleration of Diabetic Wounds.
    Huang Y; Qi L; Liu Z; Jiang Y; Wang J; Liu L; Li Y; Zhang L; Feng G · ACS applied materials & interfaces · 2023
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    Sahoo M; Banerjee T; Virkar S; Das S; Biswas S; Mitra D · Journal of materials chemistry. B · 2026
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    Melamed E; Rovitsky A; Roth T; Assa L; Borkow G · Medicina (Kaunas, Lithuania) · 2021
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    Podgórska A; Kicman A; Naliwajko S; Wacewicz-Muczyńska M; Niczyporuk M · Frontiers in nutrition · 2024
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    Chu AC · Dermatologica · 1985
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  82. Selenium supplementation and secondary prevention of nonmelanoma skin cancer in a randomized trial.
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    Verret WJ; Chen Y; Ahmed A; Islam T; Parvez F; Kibriya MG; Graziano JH; Ahsan H · Journal of occupational and environmental medicine · 2006
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  85. The Whitening, Moisturizing, Anti-aging Activities, and Skincare Evaluation of Selenium-Enriched Mung Bean Fermentation Broth.
    Wei K; Guo C; Zhu J; Wei Y; Wu M; Huang X; Zhang M; Li J; Wang X; Wang Y; Wei X · Frontiers in nutrition · 2022
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    Collins LZ; Baines FL; Matheson JR; Turner GA; Diao Y; Li Y; Pi Y · International journal of cosmetic science · 2019
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  87. Maintenance of an Acidic Skin Surface with a Novel Zinc Lactobionate Emollient Preparation Improves Skin Barrier Function in Patients with Atopic Dermatitis.
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  90. Magnesium and anabolic hormones in older men.
    Maggio M; Ceda GP; Lauretani F; Cattabiani C; Avantaggiato E; Morganti S; Ablondi F; Bandinelli S; Dominguez LJ; Barbagallo M; Paolisso G; Semba RD; Ferrucci L · International journal of andrology · 2012
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  91. Analysis of the relationship between the blood concentration of several metals, macro- and micronutrients and endocrine disorders associated with male aging.
    Rotter I; Kosik-Bogacka DI; Dołęgowska B; Safranow K; Kuczyńska M; Laszczyńska M · Environmental geochemistry and health · 2017
    Cross-sectional study313 participantsTestosterone Support forMagnesium
  92. Effect of magnesium supplementation in improving hyperandrogenism, hirsutism, and sleep quality in women with polycystic ovary syndrome: A randomized, placebo-controlled clinical trial.
    Gholizadeh-Moghaddam M; Ghasemi-Tehrani H; Askari G; Jaripur M; Clark CCT; Rouhani MH · Health science reports · 2024
    Randomized trial64 participantsTestosterone Support forMagnesium
  93. The effects of trace element supplementation on glycolipid metabolism in PCOS: a systematic review and meta-analysis.
    Yang L; Gao Y; Zhao W; Qi Y; Duo X; Wang H · Frontiers in nutrition · 2025
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    Cinar V; Polat Y; Baltaci AK; Mogulkoc R · Biological trace element research · 2011
    Non-randomized trial20 participantsTestosterone Support forMagnesium
  95. Environmental exposure to metals and male reproductive hormones: circulating testosterone is inversely associated with blood molybdenum.
    Meeker JD; Rossano MG; Protas B; Padmanahban V; Diamond MP; Puscheck E; Daly D; Paneth N; Wirth JJ · Fertility and sterility · 2010
    Cross-sectional study219 participantsTestosterone Support forZinc
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    Santos HO; Cadegiani FA; Forbes SC · Clinical therapeutics · 2022
    Scoping reviewTestosterone Support forZinc
  97. Zinc is an Essential Element for Male Fertility: A Review of Zn Roles in Men's Health, Germination, Sperm Quality, and Fertilization.
    Fallah A; Mohammad-Hasani A; Colagar AH · Journal of reproduction & infertility · 2020
    Narrative reviewTestosterone Support forZinc
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    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  99. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc