Products
Label data from official national databases and brand websites, as declared; not lab-verified.
| Brand | Product | Per day | Country | Source | |
| Nutrilite | Hair, Skin, & Nail Health | 500 mg | United States | US NIH DSLD |
|
| Well At Walgreens | Hair, Skin and Nails Formula with Biotin & Keratin | 50 mg | United States | US NIH DSLD |
|
| Higher Nature | Nails & Hair | 1,200 mg | United States | US NIH DSLD |
|
| Nature's Bounty Optimal Solutions | Hair, Skin & Nails | 50 mg | United States | US NIH DSLD |
|
| Dose & Co. | Collagen Peptides | 6,000 mg | United States | US NIH DSLD |
|
| H-E-B | Hair Skin & Nails | 50 mg | United States | US NIH DSLD |
|
| Applied Nutrition | Longer Stronger Hair & Nails | 60 mg | United States | US NIH DSLD |
|
| Trace Minerals | Ionic Biotin + Collagen 75,000 mcg Strawberry Mango | 30 mg | United States | US NIH DSLD |
|
| Nutracraft | Hair, Skin & Nails | 250 mg | United States | US NIH DSLD |
|
| ALLMAX | Collagen with Biotin & Vitamin C | 10,000 mg | United States | US NIH DSLD |
|
| GNC Women's | Biotin Plus | 500 mg | United States | US NIH DSLD |
|
| Viva Naturals | Collagen Powder Plus+ Chocolate Truffle | 9,105 mg | United States | US NIH DSLD |
|
| NeoCell | Super Collagen + C with Biotin | 12,000 mg | United States | US NIH DSLD |
|
| NeoCell | Super Collagen + C with Biotin | 3,000 mg | United States | US NIH DSLD |
|
| Nature's Bounty Optimal Solutions | Hair, Skin & Nails Gummies Tropical Citrus Flavored | 100 mg | United States | US NIH DSLD |
|
| NATURELO Premium Supplements | Hair, Skin & Nails | 300 mg | United States | US NIH DSLD |
|
| Nature's Bounty | Extra Strength Hair, Skin And Nails | 50 mg | United States | US NIH DSLD |
|
| Rexall | Hair, Skin And Nails | 50 mg | United States | US NIH DSLD |
|
| Higher Nature | Nails & Hair | 1,200 mg | United States | US NIH DSLD |
|
| Everyday Health | NZ-Hair | 100 mg | United States | US NIH DSLD |
|
| NeoCell | Super Collagen + Vitamin C & Biotin | 3,000 mg | United States | US NIH DSLD |
|
| Foods Plus | Hair, Skin & Nails | 100 mg | United States | US NIH DSLD |
|
| Esmond Natural | Optimal Solutions Hair, Skin & Nails | 50 mg | United States | US NIH DSLD |
|
| Vitamin World | Hair/Skin/Nails | 50 mg | United States | US NIH DSLD |
|
| Viva Naturals | Collagen Daily Plus+ | 2,100 mg | United States | US NIH DSLD |
|
| Nature's Bounty Optimal Solutions | Extra Strength Hair, Skin & Nails With Biotin | 50 mg | United States | US NIH DSLD |
|
| Sunshine Naturals | Hair Skin Nails | 300 mg | United States | US NIH DSLD |
|
| Sundown Naturals | Hair, Skin & Nails | 45 mg | United States | US NIH DSLD |
|
| Rainbow Nutrients | Advanced Hair Growth | 200 mg | United States | US NIH DSLD |
|
| youtheory | Hair Collagen + Keratin | 3,000 mg | United States | US NIH DSLD |
|
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For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.