Product Image

Beau-T

LifeSeasons
4.6
★ ★ ★ ★ ★
(475 ratings)
Biotin 6000 mcg
Chromium 500 mcg
Zinc 15 mg
Selenium 200 mcg
Methionine
Stinging Nettle 25 mg
Cysteine 50 mg
Product Image
Score64
High-dose biotin, cysteine, methionine, silicon, zinc, selenium, and collagen directly target nail growth and keratin structure. The formula is clearly designed for hair and nails, with substantial biotin plus useful zinc and selenium forms, but collagen, amino acids, and many botanicals are only lightly dosed.
How scoring works
Quantity:90 Capsule(s) • (30 servings)
Goals:
Nail Health
Hair Health

Score 64

High-dose biotin, cysteine, methionine, silicon, zinc, selenium, and collagen directly target nail growth and keratin structure. The formula is clearly designed for hair and nails, with substantial biotin plus useful zinc and selenium forms, but collagen, amino acids, and many botanicals are only lightly dosed.
How scoring works
$38.99($1.29 per serving)
iHerb
$ 38.99
iHerb
$ 38.99
Pure Formulas
$ 38.99
Amazon
$ 38.99
Report prices

Analysis

High-dose biotin, cysteine, methionine, silicon, zinc, selenium, and collagen directly target nail growth and keratin structure. The formula covers both deficiency correction and sulfur-rich building blocks.

The formula is clearly designed for hair and nails, with substantial biotin plus useful zinc and selenium forms, but collagen, amino acids, and many botanicals are only lightly dosed. Concentrated biotin may distort some laboratory tests, and combining it with other selenium-rich supplements could narrow the safety margin.

Chromium and kelp-derived iodine provide limited metabolic context, while tiny oat bran and white tea amounts add weak satiety and tea pathways. The product is primarily designed for hair, skin, and nails rather than weight management.

Who is it for
  • Adults seeking Nail Health support
  • People comfortable with a multi-ingredient capsule formula
  • Users who can review the ingredient list against medicines and existing supplements
Best for
  • Nail Health
  • Hair Health
  • Anti-Inflammatory Support

Pros

  • High-dose biotin, cysteine, methionine, silicon, zinc, selenium, and collagen directly target nail growth and keratin structure
  • Strongest formulation fit is Nail Health
  • Main label amounts are disclosed for Biotin, Zinc, Chromium
  • Includes a meaningful Biotin component

Cons

  • clearly designed for hair and nails, with substantial biotin plus useful zinc and selenium forms, but collagen, amino acids, and many botanicals are only lightly dosed
  • Weak fit for Weight Loss
  • Several secondary ingredients add breadth without equally strong dose or form support
  • Long ingredient list makes the combined effects and trade-offs harder to predict

Warnings

  • High-dose biotin can interfere with some laboratory tests, so users should tell the testing clinician before blood work.

Nutrient quality

60 Moderate impact

Good mineral forms and a broad hair-focused ingredient set support the intended use. Many structural ingredients are underdosed, while concentrated biotin and mineral stacking reduce balance.

.

Ingredient transparency

79 High impact

Most active ingredients and their amounts are clearly listed. Daily directions, a complete excipient panel, and some form details are missing from the supplied data.

.

Customer satisfaction

63 Moderate impact

The aggregate rating is favorable and supported by moderate feedback volume. Complaint-level experiences are unavailable, so repeated drawbacks and purpose fit remain uncertain.

.

Value for money

46 Lower impact

The formula offers some useful ingredients but at a relatively high serving cost. Quality, safety, or focus limitations weaken competitiveness.

.
Report analysis

Goals

Nail Health
Impact
Highest effect
A- Goal FitB- Strength of SupportB+ CoverageA- Formula Quality
Collagen · 100 mgBiotin · 6000 mcgHorsetail · 7 mgMethionine · 50 mg

High-dose biotin, cysteine, methionine, silicon, zinc, selenium, and collagen directly target nail growth and keratin structure. The formula covers both deficiency correction and sulfur-rich building blocks.

Collagen and the amino acids are modest compared with focused structural products, and the chicken collagen form is not described as hydrolyzed. Biotin provides most of the dose strength while the broader stack adds useful but shallower support.

Study evidence
Biotin Supportive 8 studies
Collagen Supportive 4 studies
Selenium Adverse 1 study
Zinc No effect 1 study
Hair Health
Impact
High effect
B+ Goal FitC Strength of SupportB CoverageB Formula Quality
Biotin · 6000 mcgZinc · 15 mgMethionine · 50 mgCollagen · 100 mg

The dedicated beauty formula is strongly aligned with hair health but spreads support across several lightly dosed actives. Biotin, zinc, selenium, saw palmetto, MSM, collagen, cysteine, methionine, and silicon span follicle nutrition, hormones, and structure.

Collagen, sulfur amino acids, and silicon are modest, limiting depth despite the long ingredient list. The focused design is credible, though stronger structural doses would improve it.

Study evidence
Biotin Supportive 4 studies
Collagen Supportive 3 studies
Saw Palmetto Supportive 5 studies
Selenium Disputed 7 studies
Zinc Supportive 22 studies
Anti-Inflammatory Support
Impact
Moderate effect
C Goal FitC- Strength of SupportC CoverageC Formula Quality
Collagen · 100 mgTaurine · 30 mg

Milk thistle silymarin, turmeric, flax, nettle, selenium, zinc, and white tea cover several antioxidant and botanical pathways. Most direct actives are lightly dosed, leaving the formula broader on the label than in likely effect.

Active constituents are named for milk thistle and turmeric, but their amounts are modest. Selenium is substantial, so combining the product with another selenium-heavy supplement could produce an excessive intake.

Study evidence
Flax Supportive 35 studies
Selenium Supportive 34 studies
Stinging Nettle Supportive 5 studies
Taurine Supportive 12 studies
Zinc Supportive 64 studies
Immunity
Impact
Moderate effect
C Goal FitB Strength of SupportD CoverageD Formula Quality
Zinc · 15 mgSelenium · 200 mcg

Zinc and selenium provide direct immune support within a formula designed mainly for hair, skin, and nails. The absence of vitamin C, vitamin D, and vitamin A limits immune breadth.

Zinc citrate and selenomethionine are useful forms with clear amounts. Numerous small botanical and amino-acid additions dilute the immune focus without adding strong evidence.

Study evidence
Selenium Mixed 37 studies
Zinc Supportive 73 studies
Skin Health
Impact
Moderate effect
C- Goal FitD+ Strength of SupportC CoverageF Formula Quality
Zinc · 15 mgCollagen · 100 mgSelenium · 200 mcg

High-dose biotin, zinc, sulfur compounds, amino acids, and collagen suggest a beauty-focused design. The collagen amount is far too small to provide meaningful structural support.

Zinc citrate offers useful repair support, while MSM and cysteine add modest matrix precursors. Numerous botanicals appear at small amounts, making the formula broad but shallow for skin outcomes.

Study evidence
Biotin Supportive 10 studies
Collagen Supportive 62 studies
Zinc Supportive 66 studies

Ingredients

IngredientAmount per serving
Biotin
6000 mcg
Zinc (Zinc Citrate)
15 mg
Chromium (Chromium Niacinate)
500 mcg
Selenium (Selenomethionine)
200 mcg
Methylsulfonylmethane
300 mg
Saw Palmetto berry extract
140 mg
Chicken Collagen
100 mg
Flax
75 mg
Oat Bran
75 mg
L-Cysteine
50 mg
L-Methionine
50 mg
Milk Thistle seed extract (Silymarin)
50 mg
Taurine
30 mg
Turmeric root extract (Curcuminoids)
25 mg
Nettle
25 mg
Nettle root extract
25 mg
Red Clover
25 mg
White Tea leaf extract (Catechins)
15 mg
Atlantic Kelp extract (Iodine)
10 mg
Histidine
10 mg
Horsetail extract (Silicon)
7 mg
Adults 18–50 Dairy Free
Report overview
Biotin · 6000 mcg OverallScore82
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value

The 6000 mcg biotin dose reaches the strongest target range for hair and nail support. The label lists biotin without verifying the biologically active d-isomer. High-dose biotin can interfere with some laboratory tests, so users should tell the testing clinician before blood work.

B- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB Value

Chromium niacinate supplies a high effective dose in a bioavailable form. The label shows only one chromium weight, so elemental and compound amounts are not fully distinguished. Cost efficiency is good for the amount delivered.

B+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value

An effective organic zinc salt provides sound absorption for routine use. The 15 mg elemental amount is clear and suitable for maintenance, with no high-dose zinc concern. Serving value is weak if zinc is the main reason for purchase.

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. Role of zinc in chronic telogen effluvium in serum and hair of patients with alopecia.
    Zufishan S; Haque Z; Nazar S; Afaq E; Aamir E; Rafique S · JPMA. The Journal of the Pakistan Medical Association · 2024
    Case-control study100 participantsHair Health forZinc
  6. Low-Molecular-Weight Collagen Peptide Supplementation Improves Cellulite Severity, Skin Elasticity, and Hair Shaft Diameter: A Clinical Study with Pharmacokinetic Evaluation.
    Hwang S; Won J; Kim S; Kang W; Park M · Journal of medicinal food · 2026
    Randomized trial114 participantsHair Health forCollagen
  7. Dietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing.
    Biełach-Bazyluk A; Jurga M; Flisiak I; Zbroch E · Nutrients · 2026
    Narrative reviewHair Health forCollagen
  8. 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
  9. 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
  10. Nail Supplements: When, How, and Why?
    Zaraa I; Richert B · Skin appendage disorders · 2026
    Narrative reviewNail Health forBiotin Nail Health forCollagen
  11. 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
  12. Systematic review and meta-analysis of the efficacy and safety of chromium supplementation in diabetes.
    Suksomboon N; Poolsup N; Yuwanakorn A · Journal of clinical pharmacy and therapeutics · 2015
    Meta-analysis25 studies pooledMetabolism Boost forChromium
  13. Improved meta-analytic methods show no effect of chromium supplements on fasting glucose.
    Bailey CH · Biological trace element research · 2014
    Meta-analysis809 participants16 studies pooledMetabolism Boost forChromium
  14. Chromium supplementation in non-obese non-diabetic subjects is associated with a decline in insulin sensitivity.
    Masharani U; Gjerde C; McCoy S; Maddux BA; Hessler D; Goldfine ID; Youngren JF · BMC endocrine disorders · 2013
    Randomized trial31 participantsMetabolism Boost forChromium
  15. Comparisons of the effects of different flaxseed products consumption on lipid profiles, inflammatory cytokines and anthropometric indices in patients with dyslipidemia related diseases: systematic review and a dose-response meta-analysis of randomized controlled trials.
    Yang C; Xia H; Wan M; Lu Y; Xu D; Yang X; Yang L; Sun G · Nutrition & metabolism · 2021
    Meta-analysis1,698 participants31 studies pooledAnti-Inflammatory Support forFlax
  16. The effects of n-3 fatty acids from flaxseed oil on genetic and metabolic profiles in patients with gestational diabetes mellitus: a randomised, double-blind, placebo-controlled trial.
    Jamilian M; Tabassi Z; Reiner Ž; Panahandeh I; Naderi F; Aghadavod E; Amirani E; Taghizadeh M; Shafabakhsh R; Satari M; Mansournia MA; Memarzadeh MR; Asemi Z · The British journal of nutrition · 2020
    Randomized trial60 participantsAnti-Inflammatory Support forFlax
  17. Effect of flaxseed consumption on flow-mediated dilation and inflammatory biomarkers in patients with coronary artery disease: a randomized controlled trial.
    Khandouzi N; Zahedmehr A; Mohammadzadeh A; Sanati HR; Nasrollahzadeh J · European journal of clinical nutrition · 2020
    Randomized trial50 participantsAnti-Inflammatory Support forFlax
  18. A comparison between the effects of flaxseed oil and fish oil supplementation on cardiovascular health in type 2 diabetic patients with coronary heart disease: A randomized, double-blinded, placebo-controlled trial.
    Raygan F; Taghizadeh M; Mirhosseini N; Akbari E; Bahmani F; Memarzadeh MR; Sharifi N; Jafarnejad S; Banikazemi Z; Asemi Z · Phytotherapy research : PTR · 2019
    Randomized trial90 participantsAnti-Inflammatory Support forFlax
  19. Effect of flaxseed oil on serum systemic and vascular inflammation markers and oxidative stress in hemodialysis patients: a randomized controlled trial.
    Mirfatahi M; Tabibi H; Nasrollahi A; Hedayati M; Taghizadeh M · International urology and nephrology · 2017
    Randomized trial34 participantsAnti-Inflammatory Support forFlax
  20. Selenium and the course of mild Graves' orbitopathy.
    Marcocci C; Kahaly GJ; Krassas GE; Bartalena L; Prummel M; Stahl M; Altea MA; Nardi M; Pitz S; Boboridis K; Sivelli P; von Arx G; Mourits MP; Baldeschi L; Bencivelli W; Wiersinga W; European Group on Graves' Orbitopathy · The New England journal of medicine · 2011
    Randomized trial159 participantsAnti-Inflammatory Support forSelenium
  21. Effects of selenium supplementation on glucose homeostasis, inflammation, and oxidative stress in gestational diabetes: Randomized, double-blind, placebo-controlled trial.
    Asemi Z; Jamilian M; Mesdaghinia E; Esmaillzadeh A · Nutrition (Burbank, Los Angeles County, Calif.) · 2016
    Randomized trial70 participantsAnti-Inflammatory Support forSelenium
  22. Selenium Supplementation Affects Insulin Resistance and Serum hs-CRP in Patients with Type 2 Diabetes and Coronary Heart Disease.
    Farrokhian A; Bahmani F; Taghizadeh M; Mirhashemi SM; Aarabi MH; Raygan F; Aghadavod E; Asemi Z · Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme · 2017
    Randomized trial60 participantsAnti-Inflammatory Support forSelenium
  23. The effects of selenium supplementation on cardiovascular risk factors in patients with metabolic diseases ‒ A systematic review and meta-analysis of randomized controlled trials.
    Qiu W; Huang N; Zhang K; Qiu H; Guo Z; Han F; Sun X; Hou N; Kan C · Nutricion hospitalaria · 2026
    Meta-analysis656 participants11 studies pooledAnti-Inflammatory Support forSelenium
  24. Effects of Selenium Supplementation on Metabolic Status in Patients Undergoing for Coronary Artery Bypass Grafting (CABG) Surgery: a Randomized, Double-Blind, Placebo-Controlled Trial.
    Kamali A; Amirani E; Asemi Z · Biological trace element research · 2020
    Randomized trial33 participantsAnti-Inflammatory Support forSelenium
  25. The effect of hydro alcoholic Nettle (Urtica dioica) extracts on insulin sensitivity and some inflammatory indicators in patients with type 2 diabetes: a randomized double-blind control trial.
    Namazi N; Esfanjani AT; Heshmati J; Bahrami A · Pakistan journal of biological sciences : PJBS · 2012
    Randomized trial50 participantsAnti-Inflammatory Support forStinging Nettle
  26. Urtica Dioica Root Extract on Clinical and Biochemical Parameters in Patients with Benign Prostatic Hyperplasia, Randomized Controlled Trial.
    Akbar Karami A; Sheikhsoleimani M; Reza Memarzadeh M; Haddadi E; Bakhshpour M; Mohammadi N; Mehdi Mirhashemi S · Pakistan journal of biological sciences : PJBS · 2021
    Randomized trial60 participantsAnti-Inflammatory Support forStinging Nettle
  27. Safety, Tolerability, and Efficacy of Hox Alpha, a Dry Extract from Stinging Nettle Leaves versus OTC NSAIDs in Osteoarthritis: A Retrospective, Propensity-Matched 12-Week Analysis from the German Pain e-Registry (SIPHARO Study).
    Überall MA; Küster MA; Müller-Schwefe PCG; Müller-Schwefe GHH · Journal of pain research · 2026
    Cohort study2,146 participantsAnti-Inflammatory Support forStinging Nettle
  28. [Recommendations of the DGRh Committee on Complementary Medicine and Nutrition on the application of selected phytotherapeutic drugs and herbal medicines in rheumatology].
    Keyßer G; Seifert O; Frohne I; Michalsen A; Pfeil A; Reuß-Borst M; Sander O · Zeitschrift fur Rheumatologie · 2025
    Guideline / consensusAnti-Inflammatory Support forStinging Nettle
  29. Randomized controlled trial of nettle sting for treatment of base-of-thumb pain
    C Randall, H Randall, F Dobbs, C Hutton, H Sanders · Journal of the Royal Society of Medicine · 2000
    Randomized trial27 participantsAnti-Inflammatory Support forStinging Nettle
  30. Oxidative stress and inflammation in obesity after taurine supplementation: a double-blind, placebo-controlled study.
    Rosa FT; Freitas EC; Deminice R; Jordão AA; Marchini JS · European journal of nutrition · 2015
    Randomized trial24 participantsAnti-Inflammatory Support forTaurine
  31. Effect of taurine supplementation on preventing ventilator-associated pneumonia in pediatrics under mechanical ventilation, a randomized controlled double-blind clinical trial.
    Shirzad-Yazdi N; Shorafa E; Abootalebi SN; Heidari R; Hojabri K; Doostfatemeh M; Masjedi F; Vazin A; Shafiekhani M · Frontiers in pediatrics · 2025
    Randomized trial77 participantsAnti-Inflammatory Support forTaurine
  32. Effect of taurine in muscle damage markers and inflammatory cytokines in running exercise.
    Wang Y; Xu T; Zhao H; Gu C; Li Z · Frontiers in physiology · 2022
    Non-randomized trial10 participantsAnti-Inflammatory Support forTaurine
  33. Exercise and taurine in inflammation, cognition, and peripheral markers of blood-brain barrier integrity in older women.
    Chupel MU; Minuzzi LG; Furtado G; Santos ML; Hogervorst E; Filaire E; Teixeira AM · Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2018
    Randomized trial48 participantsAnti-Inflammatory Support forTaurine
  34. Taurine supplementation has anti-atherogenic and anti-inflammatory effects before and after incremental exercise in heart failure.
    Ahmadian M; Roshan VD; Aslani E; Stannard SR · Therapeutic advances in cardiovascular disease · 2017
    Randomized trialAnti-Inflammatory Support forTaurine
  35. Zinc decreases C-reactive protein, lipid peroxidation, and inflammatory cytokines in elderly subjects: a potential implication of zinc as an atheroprotective agent.
    Bao B; Prasad AS; Beck FW; Fitzgerald JT; Snell D; Bao GW; Singh T; Cardozo LJ · The American journal of clinical nutrition · 2010
    Randomized trial40 participantsAnti-Inflammatory Support forZinc
  36. Zinc Supplementation in Individuals with Prediabetes and type 2 Diabetes: a GRADE-Assessed Systematic Review and Dose-Response Meta-analysis.
    Nazari M; Nikbaf-Shandiz M; Pashayee-Khamene F; Bagheri R; Goudarzi K; Hosseinnia NV; Dolatshahi S; Omran HS; Amirani N; Ashtary-Larky D; Asbaghi O; Ghanavati M · Biological trace element research · 2024
    Meta-analysis23 studies pooledAnti-Inflammatory Support forZinc
  37. The Effects of Zinc Supplementation on C-Reactive Protein and Inflammatory Cytokines: A Meta-Analysis and Systematical Review.
    Ceylan MN; Akdas S; Yazihan N · Journal of interferon & cytokine research : the official journal of the International Society for Interferon and Cytokine Research · 2022
    Meta-analysis73 studies pooledAnti-Inflammatory Support forZinc
  38. The Effects of Zinc Sulfate Supplementation on Serum Copeptin, C-Reactive Protein and Metabolic Markers in Zinc-Deficient Diabetic Patients on Hemodialysis: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Hosseini R; Montazerifar F; Shahraki E; Karajibani M; Mokhtari AM; Dashipour AR; Ferns GA; Jalali M · Biological trace element research · 2021
    Randomized trial46 participantsAnti-Inflammatory Support forZinc
  39. Zinc supplementation and cardiovascular disease risk factors: A GRADE-assessed systematic review and dose-response meta-analysis.
    Nazari M; Ashtary-Larky D; Nikbaf-Shandiz M; Goudarzi K; Bagheri R; Dolatshahi S; Omran HS; Amirani N; Ghanavati M; Asbaghi O · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2023
    Meta-analysis75 studies pooledAnti-Inflammatory Support forZinc
  40. 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
  41. 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
  42. Calcium and Vitamin D Supplementation with and Without Collagen on Bone Density and Skin Elasticity in Menopausal Women-A Randomized Controlled Study.
    Duangjai A; Srivilai J; Nangola S; Amornlerdpison D · Clinics and practice · 2025
    Randomized trialHair Health forCollagen
  43. The Safety and Efficacy of a Proprietary Bioactive Fatty Acids Extract From Saw Palmetto (Serenoa repens) for Promoting Hair Growth and Reducing Hair Loss in Adults With Self-Perceived Thinning Hair: 90-Day Results.
    Ablon G · Journal of cosmetic dermatology · 2025
    Randomized trial60 participantsHair Health forSaw Palmetto
  44. Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis.
    Zhou L; Zhu W; Chen Y · Frontiers in nutrition · 2026
    Meta-analysis1,658 participants19 studies pooledHair Health forSaw Palmetto
  45. The Safety and Efficacy of a Novel Saw Palmetto (Serenoa repens) Extract for Promoting Hair Growth in Adults With Self-Perceived Thinning Hair: 180-Day Results.
    Ablon G · Journal of cosmetic dermatology · 2026
    Randomized trial60 participantsHair Health forSaw Palmetto
  46. Beyond Minoxidil: Off-Label Therapies for Male Androgenetic Alopecia-A Systematic Review with Network Meta-Analyses.
    Gupta AK; Compton SAH; Liddy A; Talukder M; Wang T; Bamimore MA · Medicina (Kaunas, Lithuania) · 2026
    Meta-analysis50 participants23 studies pooledHair Health forSaw Palmetto
  47. Comparitive effectiveness of finasteride vs Serenoa repens in male androgenetic alopecia: a two-year study.
    Rossi A; Mari E; Scarno M; Garelli V; Maxia C; Scali E; Iorio A; Carlesimo M · International journal of immunopathology and pharmacology · 2013
    Non-randomized trial100 participantsHair Health forSaw Palmetto
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. 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
  64. 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
  65. 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
  66. 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
  67. 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
  68. Oral supplementation with specific bioactive collagen peptides improves nail growth and reduces symptoms of brittle nails.
    Hexsel D; Zague V; Schunck M; Siega C; Camozzato FO; Oesser S · Journal of cosmetic dermatology · 2018
    Single-arm trial25 participantsNail Health forCollagen
  69. Influence of collagen peptide supplementation on visible signs of skin and nail health and -aging in an East Asian population: A double blind, randomized, placebo-controlled trial.
    Vleminckx S; Virgilio N; Asserin J; Prawitt J; Silva CIF · Journal of cosmetic dermatology · 2024
    Randomized trial85 participantsNail Health forCollagen
  70. Expanding the COL7A1 mutation database: novel and recurrent mutations and unusual genotype-phenotype constellations in 41 patients with dystrophic epidermolysis bullosa.
    Kern JS; Kohlhase J; Bruckner-Tuderman L; Has C · The Journal of investigative dermatology · 2006
    Observational study41 participantsNail Health forCollagen
  71. Acute selenium toxicity associated with a dietary supplement.
    MacFarquhar JK; Broussard DL; Melstrom P; Hutchinson R; Wolkin A; Martin C; Burk RF; Dunn JR; Green AL; Hammond R; Schaffner W; Jones TF · Archives of internal medicine · 2010
    Observational study201 participantsNail Health forSelenium
  72. 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
  73. 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
  74. 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
  75. Exploring the Impact of Hydrolyzed Collagen Oral Supplementation on Skin Rejuvenation: A Systematic Review and Meta-Analysis.
    Dewi DAR; Arimuko A; Norawati L; Yenny SW; Setiasih NL; Perdiyana A; Arkania N; Nadhira F; Wiliantari N · Cureus · 2024
    Meta-analysis967 participants14 studies pooledSkin Health forCollagen
  76. Effects of collagen-based supplements on skin's hydration and elasticity: A systematic review and meta-analysis.
    Danessa G; Notario D; Regina R · Indian journal of dermatology, venereology and leprology · 2025
    Meta-analysis646 participants10 studies pooledSkin Health forCollagen
  77. Oral intake of collagen peptide NS improves hydration, elasticity, desquamation, and wrinkling in human skin: a randomized, double-blinded, placebo-controlled study.
    Lee M; Kim E; Ahn H; Son S; Lee H · Food & function · 2023
    Randomized trial100 participantsSkin Health forCollagen
  78. Oral Intake of Low-Molecular-Weight Collagen Peptide Improves Hydration, Elasticity, and Wrinkling in Human Skin: A Randomized, Double-Blind, Placebo-Controlled Study.
    Kim DU; Chung HC; Choi J; Sakai Y; Lee BY · Nutrients · 2018
    Randomized trial64 participantsSkin Health forCollagen
  79. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis.
    de Miranda RB; Weimer P; Rossi RC · International journal of dermatology · 2021
    Meta-analysis1,125 participants19 studies pooledSkin Health forCollagen
  80. 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
  81. 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
  82. 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
  83. 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
  84. 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