Product Image

Hair Sweet Hair Berry

4.6
★ ★ ★ ★ ★
(79 ratings)
PABA 25 mg
Biotin 5000 mcg
Zinc 20 mg
Vitamin B12 850 mcg
Folate 500 mcg
Product Image
Score63
Best suited to nail health, with the clearest benefits coming from the disclosed active ingredients. Vitamin B12 and folate add cell-division support, although they do not replace structural collagen or silicon.
How scoring works
Quantity:60 Gummy(ies) • (30 servings)
Goals:
Nail Health
Hair Health
Immunity
Energy
Skin Health
General Health

Score 63

Best suited to nail health, with the clearest benefits coming from the disclosed active ingredients. Vitamin B12 and folate add cell-division support, although they do not replace structural collagen or silicon.
How scoring works
$26.00($0.86 per serving)
iHerb
$ 26.00
Report prices

Analysis

Five milligrams of biotin and a useful zinc citrate amount provide strong targeted support for keratin production and nail growth. Vitamin B12 and folate add cell-division support, although they do not replace structural collagen or silicon. The gummy format adds carbohydrate and uses cyanocobalamin rather than an active vitamin B12 form.

Folic acid and vitamin B12 provide an incomplete link to homocysteine metabolism, while zinc is only generally relevant. The hair-focused gummy lacks B6, magnesium, omega-3 fats, CoQ10, or a direct vascular active. Cyanocobalamin and folic acid are less preferred than active forms for methylation support.

The 25 mg amount reaches the standard nutritional range for a combination formula. PABA is named directly, and immediate release suits this nutritional amount. Cost efficiency is weak for the PABA amount delivered.

Who is it for
  • People seeking nail health support
  • People seeking hair health support
  • People seeking immunity support
Best for
  • Nail Health
  • Hair Health
  • Immunity

Pros

  • Five milligrams of biotin and a useful zinc citrate amount provide strong targeted support for keratin production and nail growth.
  • The gummy format adds carbohydrate and uses cyanocobalamin rather than an active vitamin B12 form.
  • Fo-ti is unnecessary for nail support and has been linked to liver injury, even though the listed amount is small.
  • Biotin and zinc provide a strong nutritional core for hair structure and follicle cell division.
  • Folate and B12 add deficiency support, while the tiny fo-ti amount contributes little reliable benefit.

Cons

  • Vitamin B12 and folate add cell-division support, although they do not replace structural collagen or silicon.
  • Fo-ti has a product-specific liver injury concern and lacks extract standardization, so it does not improve the formula’s safety or confidence.
  • Fo-ti is not an energy ingredient and carries reported liver-safety concerns, making it unnecessary for this goal.
  • Zinc and several B vitamins contribute useful nutritional support, but the formula is primarily shaped around hair rather than general wellness.
  • Folic acid and cyanocobalamin are less preferred forms, while biotin is far higher than most people need.

Warnings

  • The very high biotin amount can interfere with thyroid, hormone, and cardiac laboratory tests, so it should be disclosed before blood testing.
  • The 5,000 mcg biotin amount can interfere with some laboratory tests, so users should disclose it before blood work.

Nutrient quality

60 Moderate impact

Zinc citrate is the strongest form choice in the formula. High-dose biotin is meaningful for the target use, while basic B-vitamin forms and a tiny fo-ti amount limit quality.

Ingredient transparency

77 High impact

All listed active amounts are disclosed without a hidden blend. Missing extract standardization, biotin form, intake directions, and excipient details limit full evaluation.

Customer satisfaction

63 Moderate impact

The supplied average rating is strong, but the review count offers only moderate confidence. No review text is available to identify recurring complaints or goal-specific experiences.

Value for money

46 Lower impact

Meaningful biotin and zinc provide a clear functional core. The high serving cost, basic B-vitamin forms, gummy carbohydrate, and unnecessary fo-ti weaken value.

Report analysis

Goals

Nail Health
Healthy Nail Growth
Nail Health
Impact
High effect
B+ Goal FitB+ Strength of SupportC+ CoverageC+ Formula Quality
Biotin · 5000 mcg

Five milligrams of biotin and a useful zinc citrate amount provide strong targeted support for keratin production and nail growth. Vitamin B12 and folate add cell-division support, although they do not replace structural collagen or silicon.

The gummy format adds carbohydrate and uses cyanocobalamin rather than an active vitamin B12 form. Fo-ti is unnecessary for nail support and has been linked to liver injury, even though the listed amount is small.

Study evidence
Biotin Supportive 8 studies
Vitamin B12 No effect 4 studies
Zinc No effect 1 study
Hair Health
Healthy Hair Growth Cycle
Hair Health
Impact
High effect
B Goal FitB Strength of SupportB CoverageB Formula Quality
Biotin · 5000 mcgZinc · 20 mg

Biotin and zinc provide a strong nutritional core for hair structure and follicle cell division. Folate and B12 add deficiency support, while the tiny fo-ti amount contributes little reliable benefit.

The biotin and zinc amounts are clearly stated and sit in meaningful ranges. Fo-ti has a product-specific liver injury concern and lacks extract standardization, so it does not improve the formula’s safety or confidence.

Study evidence
Biotin Supportive 4 studies
Folate Mixed 15 studies
Vitamin B12 Disputed 17 studies
Zinc Supportive 22 studies
Immunity
Immunity
Impact
High effect
B Goal FitB+ Strength of SupportC- CoverageD- Formula Quality
Zinc · 20 mg

Zinc citrate supplies a direct immune nutrient at a meaningful amount. The surrounding hair-focused vitamins and compounds contribute little distinct immune value.

The 20 mg zinc serving exceeds the stated minimum and uses a reasonably absorbable organic salt. Folic acid, very high biotin, PABA, and fo-ti make the gummy less coherent as an immune product.

Study evidence
Zinc Supportive 73 studies
Energy
Energy
Impact
High effect
B- Goal FitB- Strength of SupportC CoverageD Formula Quality
Vitamin B12 · 850 mcg

A substantial vitamin B12 amount supports metabolic and red blood cell pathways related to energy. Zinc and folate add nutritional breadth, though the formula is mainly designed for hair.

Cyanocobalamin and folic acid are less preferred forms, and the gummy adds carbohydrate. Fo-ti is not an energy ingredient and carries reported liver-safety concerns, making it unnecessary for this goal.

Study evidence
Vitamin B12 Disputed 14 studies
Skin Health
Skin Health
Impact
High effect
C Goal FitB Strength of SupportD+ CoverageC- Formula Quality
Zinc · 20 mg

Zinc provides useful support for repair and normal inflammatory control, while biotin mainly helps when deficiency is present. The hair-focused formula offers little support for hydration, collagen structure, or photo-protection.

Zinc citrate is a solid form and its amount is meaningful. The very high biotin amount can interfere with thyroid, hormone, and cardiac laboratory tests, so it should be disclosed before blood testing.

Study evidence
Biotin Supportive 10 studies
Zinc Supportive 66 studies
General Health
Daily Energy Vitality
General Health
Impact
High effect
C+ Goal FitB- Strength of SupportC CoverageD+ Formula Quality
Folate · 500 mcgVitamin B12 · 850 mcgZinc · 20 mg

Zinc and several B vitamins contribute useful nutritional support, but the formula is primarily shaped around hair rather than general wellness. The zinc amount is meaningful and uses a reasonably absorbable citrate form.

Folic acid and cyanocobalamin are less preferred forms, while biotin is far higher than most people need. Fo-ti adds uncertainty because it has reported liver-safety concerns and only a small amount is disclosed here.

Study evidence
Folate Supportive 80 studies
Vitamin B12 Adverse 66 studies
Zinc Supportive 60 studies
Testosterone Support
Testosterone Support
Impact
Moderate effect
C- Goal FitB+ Strength of SupportD- CoverageF Formula Quality
Zinc · 20 mg

Zinc citrate supplies a relevant, well-absorbed maintenance dose that may support normal testosterone synthesis when zinc intake is low. No other ingredient adds a meaningful endocrine or stress-management pathway.

Biotin, folic acid, PABA, and Fo-Ti are included for hair support rather than the selected goal. The gummy therefore delivers useful zinc but remains a poorly targeted choice for testosterone support.

Study evidence
Zinc Disputed 7 studies

Ingredients

IngredientAmount per serving
Calories
15 Calorie(s)
Total Carbohydrates
3 Gram(s)
Vitamin B12 (Cyanocobalamin)
 850 mcg
Folic Acid
500 mcg
Biotin
5000 mcg
Zinc (Zinc Citrate)
 20 mg
PABA
25 mg
Fo-Ti extract
10 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
PABA · 25 mg OverallScore82
A Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD- Value

The 25 mg amount reaches the standard nutritional range for a combination formula. PABA is named directly, and immediate release suits this nutritional amount. Cost efficiency is weak for the PABA amount delivered.

View ingredientView products
Biotin · 5000 mcg OverallScore77
C Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value

Standard biotin disclosure leaves the biologically active isomer unverified. The gummy format is less clean than a capsule or liquid, though no specific additive penalty is supported. The biotin amount is well aligned with the stated structural-support range; exact label disclosure is helpful, while the broader multi-ingredient formula warrants a neutral value assessment.

View ingredientView products
Zinc (Zinc Citrate) · 20 mg OverallScore69
B- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value

Zinc citrate is an effective organic salt with generally good absorption. The 20 mg serving is effective for daily maintenance without exceeding the usual upper limit. The 20 mg zinc serving is below the level where missing copper usually creates a major balance concern.

View ingredientView products
Loading alternative details
86 Performance

B-6 B-12 Folic Acid Drop Ins Natural Mixed Berry Flavor

KAL
<p>The ingredient and goal fit makes it a more favorable quality-focused alternative, especially for Vitamin B12, Folate. Active B6, methylfolate, and methylcobalamin provide strong form quality in a flexible liquid. The concentrated B12 amount is more suited to targeted use than basic maintenance.</p>
75 Performance

Max B-ND

Premier Research Labs
<p>The ingredient and goal fit makes it a more favorable quality-focused alternative, especially for Vitamin B12, Folate, Biotin. Three bioactive vitamin B12 forms, folinic acid, active riboflavin, and P-5-P give the liquid strong form quality with mostly moderate dosing. The high folate amount needs deliberate use, and the short supply is expensive despite the refined formula.</p>
77 Performance

Vitamin B12 & Folic Acid Natural Raspberry Flavor

Bluebonnet EarthSweet Chewables
<p>The ingredient and goal fit makes it a more favorable quality-focused alternative, especially for Vitamin B12, Folate. B12 and folate are supplied at meaningful amounts in a convenient chewable. Cyanocobalamin, synthetic folic acid, and the carbohydrate base reduce form quality compared with active-form tablets.</p>
86 Budget

B-6 B-12 Methyl Folate Mixed Berry

KAL
<p>The lower serving cost makes it a more economical option while retaining overlap in Vitamin B12, Folate. Active B6, methylfolate, and methylcobalamin create a focused three-nutrient formula. The concentrated B12 amount is more suited to targeted use than basic maintenance.</p>
82 Budget

BioActive Vitamin B

Terry Naturally
<p>The lower serving cost makes it a more economical option while retaining overlap in Vitamin B12, Folate. Active forms of B6, B12, and folate make a compact, well-targeted B-vitamin formula. Strong forms and sensible serving value are offset by a B6 amount that may be more than many users need long term.</p>
86 Budget

Methyl B-12 Methyl Folate Lonzenge Natural Cherry Flavor

Solaray
<p>The lower serving cost makes it a more economical option while retaining overlap in Vitamin B12, Folate. Methylcobalamin and a branded methylfolate provide a high-quality active-form pairing. Both amounts suit targeted supplementation, although the B12 concentration may exceed basic maintenance needs.</p>
81 Value

B-Complex with Folic Acid plus Vitamin C

Nature's Bounty
<p>The supplied quality and value evidence gives it a more favorable balance for Vitamin B12, Biotin than the original. The broad B-complex provides practical daily coverage at a very low serving cost. Conventional vitamin forms and duplicated thiamine entries limit form quality and label clarity, but the doses are generally reasonable.</p>
79 Value

B-6 B-12 Folic Acid Berry

KAL
<p>The supplied quality and value evidence gives it a more favorable balance for Vitamin B12, Folate than the original. Active B12 and B6 are paired with a substantial folic acid amount. The combination is coherent, though synthetic folic acid is less preferred than methylfolate.</p>
79 Value

Sublingual Liquid B-12 2000 mcg with B-Complex

Solgar
<p>The supplied quality and value evidence gives it a more favorable balance for Vitamin B12, Biotin than the original. A broad liquid B-complex provides meaningful coverage in a convenient sublingual format. Active riboflavin is a strength, while cyanocobalamin, pyridoxine, and unspecified folate or biotin forms limit quality.</p>
Report alternatives

Sources

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

  1. Dietary Zinc Intake and All-Cause and Cardiovascular Mortality in Korean Middle-Aged and Older Adults.
    Kwon YJ; Lee HS; Park G; Yang J; Kim HM; Lee JW · Nutrients · 2023
    Cohort study143,050 participantsGeneral Health forZinc
  2. The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
    Patel MN; Maheshvari J; Patel N · Cureus · 2025
    Randomized trial105 participantsHair Health Nail Health Skin Health forBiotin
  3. The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
    Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
    Narrative reviewHair Health forBiotin
  4. 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
  5. Hair Loss and Zinc Deficiency: A Cross-Sectional Study.
    Liran O; Vered S; Cohen B; Shapiro Ben David S; Nakhleh A; Rahamim-Cohen D; Azuri J; Adler L · Healthcare (Basel, Switzerland) · 2025
    Cross-sectional study23,975 participantsHair Health forZinc
  6. Biotin for the treatment of nail disease: what is the evidence?
    Lipner SR; Scher RK · The Journal of dermatological treatment · 2018
    Narrative reviewNail Health forBiotin
  7. Vitamins and minerals: their role in nail health and disease.
    Scheinfeld N; Dahdah MJ; Scher R · Journal of drugs in dermatology : JDD · 2007
    Narrative reviewNail Health forZinc Nail Health forBiotin Nail Health forVitamin B12
  8. A new perspective on vitamin B12 deficiency in rheumatology: a case-based review.
    Dułak NA; Rytlewska M; Jaskólska M; Chmielewski M · Rheumatology international · 2024
    Case series3 participantsEnergy forVitamin B12
  9. Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression.
    Markun S; Gravestock I; Jäger L; Rosemann T; Pichierri G; Burgstaller JM · Nutrients · 2021
    Meta-analysis6,276 participants16 studies pooledEnergy forVitamin B12
  10. Patients' experiences with methylcobalamin injections in amyotrophic lateral sclerosis.
    Zubair AS; Saab L; Scharer K; Khokhar B · Brain circulation · 2024
    Qualitative study5 participantsEnergy forVitamin B12
  11. Cobalamin deficiency: clinical picture and radiological findings.
    Briani C; Dalla Torre C; Citton V; Manara R; Pompanin S; Binotto G; Adami F · Nutrients · 2014
    Narrative reviewEnergy forVitamin B12
  12. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. Oral Vitamin B12 versus Placebo for the Prevention of Chemotherapy-Induced Peripheral Neuropathy in Gynecological Cancer Patients: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Insin P; Chaiwongsa T; Prueksaritanond N · Asian Pacific journal of cancer prevention : APJCP · 2026
    Randomized trial40 participantsGeneral Health forVitamin B12
  19. Vitamin B12 Supplementation in Diabetic Neuropathy: A 1-Year, Randomized, Double-Blind, Placebo-Controlled Trial.
    Didangelos T; Karlafti E; Kotzakioulafi E; Margariti E; Giannoulaki P; Batanis G; Tesfaye S; Kantartzis K · Nutrients · 2021
    Randomized trial90 participantsGeneral Health forVitamin B12
  20. A single-center randomized controlled trial of local methylcobalamin injection for subacute herpetic neuralgia.
    Xu G; Lv ZW; Feng Y; Tang WZ; Xu GX · Pain medicine (Malden, Mass.) · 2014
    Randomized trial98 participantsGeneral Health forVitamin B12
  21. Local Injection of Methylcobalamin Combined with Lidocaine for Acute Herpetic Neuralgia.
    Xǔ G; Xu S; Tang WZ; Xú G; Cheng C; Xu J · Pain medicine (Malden, Mass.) · 2017
    Randomized trial204 participantsGeneral Health forVitamin B12
  22. The Effect of Vitamin B12 and Folic Acid Supplementation on Serum Homocysteine, Anemia Status and Quality of Life of Patients with Multiple Sclerosis.
    Nozari E; Ghavamzadeh S; Razazian N · Clinical nutrition research · 2022
    Clinical trial50 participantsGeneral Health forVitamin B12
  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. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsHair Health Skin Health forBiotin
  29. Vitamins A, B, C, and D: A Short Review for the Dermatologist.
    Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
    Narrative reviewHair Health forBiotin
  30. 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
  31. 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 Hair Health forVitamin B12
  32. 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
  33. 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
  34. 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
  35. Factors Associated with Premature Hair Graying in a Young Indian Population.
    Chakrabarty S; Krishnappa PG; Gowda DG; Hiremath J · International journal of trichology · 2016
    Case-control study74 participantsHair Health forVitamin B12
  36. Risk Factors for Pediatric Alopecia Areata: Clinical and Biochemical Findings from a Case - Control Study.
    İritaş SY · Dermatology practical & conceptual · 2026
    Case-control study600 participantsHair Health forVitamin B12
  37. Hair Loss After Laparoscopic Sleeve Gastrectomy.
    Katsogridaki G; Tzovaras G; Sioka E; Perivoliotis K; Zachari E; Magouliotis D; Tasiopoulou V; Chatedaki C; Zacharoulis D · Obesity surgery · 2019
    Cohort study50 participantsHair Health forVitamin B12
  38. Demographic Characteristics and Association of Serum Vitamin B12, Ferritin and Thyroid Function with Premature Canities in Indian Patients from an Urban Skin Clinic of North India: A Retrospective Analysis of 71 Cases.
    Sonthalia S; Priya A; Tobin DJ · Indian journal of dermatology · 2022
    Cross-sectional study71 participantsHair Health forVitamin B12
  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. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy.
    Colombo VE; Gerber F; Bronhofer M; Floersheim GL · Journal of the American Academy of Dermatology · 1991
    Other32 participantsNail Health forBiotin
  49. Treatment of brittle nail with a hydroxypropyl chitosan-based lacquer, alone or in combination with oral biotin: A randomized, assessor-blinded trial.
    Chiavetta A; Mazzurco S; Secolo MP; Tomarchio G; Milani M · Dermatologic therapy · 2020
    Randomized trial50 participantsNail Health forBiotin
  50. Reversible hyperpigmentation of vitamin B12 deficiency
    K. Vijayakumar, H. Gopinath · The Indian Journal of Medical Research · 2020
    Other1 participantsNail Health forVitamin B12
  51. A review of vitamin B12 in dermatology
    Jennifer Brescoll, Steven Daveluy · American Journal of Clinical Dermatology · 2015
    OtherNail Health forVitamin B12
  52. Reversible cutaneous hyperpigmentation and nails with white hair due to vitamin B12 deficiency
    Shiro Niiyama, Hideki Mukai · European Journal of Dermatology · 2007
    Other1 participantsNail Health forVitamin B12
  53. Evaluation of biophysical skin parameters and hair changes in patients with acne vulgaris treated with isotretinoin, and the effect of biotin use on these parameters.
    Aksac SE; Bilgili SG; Yavuz GO; Yavuz IH; Aksac M; Karadag AS · International journal of dermatology · 2021
    Non-randomized trial60 participantsSkin Health forBiotin
  54. Generalized seborrhoeic dermatitis. Clinical and therapeutic data of 25 patients.
    Messaritakis J; Kattamis C; Karabula C; Matsaniotis N · Archives of disease in childhood · 1976
    Non-randomized trial25 participantsSkin Health forBiotin
  55. Holocarboxylase synthetase deficiency: novel clinical and molecular findings.
    Tammachote R; Janklat S; Tongkobpetch S; Suphapeetiporn K; Shotelersuk V · Clinical genetics · 2010
    Case series4 participantsSkin Health forBiotin
  56. Sex-related differences in response to zinc pyrithione shampoo vs. non-anti-dandruff shampoo.
    Collins LZ; Baines FL; Matheson JR; Turner GA; Diao Y; Li Y; Pi Y · International journal of cosmetic science · 2019
    Meta-analysis2,088 participants20 studies pooledSkin Health forZinc
  57. Maintenance of an Acidic Skin Surface with a Novel Zinc Lactobionate Emollient Preparation Improves Skin Barrier Function in Patients with Atopic Dermatitis.
    Andrew PV; Pinnock A; Poyner A; Brown K; Chittock J; Kay LJ; Cork MJ; Danby SG · Dermatology and therapy · 2024
    Cohort study23 participantsSkin Health forZinc
  58. Spatial expression of metallothionein, matrix metalloproteinase-1 and Ki-67 in human epidermal wounds treated with zinc and determined by quantitative immunohistochemistry: A randomised double-blind trial.
    Ågren MS; Chafranska L; Eriksen JO; Forman JL; Bjerrum MJ; Schjerling P; Larsen HF; Cottarelli E; Jorgensen LN; Gjerdrum LMR · European journal of cell biology · 2021
    Randomized trial30 participantsSkin Health forZinc
  59. A pilot trial using topical regular crystalline insulin vs. aqueous zinc solution for uncomplicated cutaneous wound healing: Impact on quality of life.
    Attia EA; Belal DM; El Samahy MH; El Hamamsy MH · Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society · 2014
    Randomized trial90 participantsSkin Health forZinc
  60. Evidence-Based Nutritional Interventions in Wound Care.
    Saeg F; Orazi R; Bowers GM; Janis JE · Plastic and reconstructive surgery · 2021
    Systematic review2,339 participants36 studies pooledSkin Health forZinc
  61. 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
  62. Nonpharmacological Interventions for the Management of Testosterone and Sperm Parameters: A Scoping Review.
    Santos HO; Cadegiani FA; Forbes SC · Clinical therapeutics · 2022
    Scoping reviewTestosterone Support forZinc
  63. 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
  64. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  65. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc