成分を読み込み中 / Loading ingredients
© 2026 Supplement DB
Information is based on public data such as DSLD and PubChem. Always check the product label before purchasing.
Protein
Products with this ingredient (on market): 24
Across the listed products that contain Keratin, we counted whether the amount is disclosed, how much is used, in which dosage forms and brands, and what it is combined with. This shows how the ingredient is used in a way a single label cannot.
| Amount disclosed | 22 | The label states a quantity |
|---|---|---|
| Amount not disclosed | 2 (8%) | Typically a component of a proprietary blend, where the manufacturer does not publish the amount |
| Measure | Amount | Meaning |
|---|---|---|
| Minimum | 25 mg | Lowest label value in the database |
| 25th percentile | 50 mg | A quarter of products are at or below this |
| Median | 100 mg |
DermaVen
Premier Research Labs
Hair Ultra Softgels
OLLY
Heavenly Hair Grapefruit Glam
OLLY
Biotin 10,000 mcg with Keratin 100 mg
Member's Mark
Biotin 10,000 mcg plus Keratin
Spring Valley
Collagen Refreshers Beauty Strawberry Lemon Flavor
Bluebonnet EarthSweet Chewables
Ultra Hair
OLLY
Hair Fare
Nutra-Betic
The 30 Day Beauty Secret
Futurebiotics
Hair Nutrition.
GT Genesis Today
| The middle value |
| 75th percentile | 100 mg | A quarter of products are at or above this |
|---|
| Maximum | 500 mg | Highest label value in the database |
|---|
| Form | Products | Share |
|---|---|---|
| Tablet | 10 | 42% |
| Capsule | 7 | 29% |
| Softgel | 3 | 13% |
| Gummy | 2 | 8% |
| Liquid | 1 | 4% |
| Powder |
| Brand | Products | Share |
|---|---|---|
| GT Genesis Today | 3 | 13% |
| OLLY | 2 | 8% |
| OLLY | 2 | 8% |
| Exchange Select | 1 | 4% |
| Mason Natural | 1 |
| Ingredients | Products | Share |
|---|---|---|
| Biotin (Vitamin B7) | 21 | 88% |
| Vitamin C | 12 | 50% |
| Vitamin E | 9 | 38% |
| Calcium | 7 | 29% |
| Zinc |
These figures are mechanical summaries of label values from on-market products in our database. Serving definitions (number of capsules and so on) vary by product, and the figures are not intake guidance or recommendations. Check each product page and label for actual amounts.
Hairfluence Watermelon
ZHOU
| 1 |
| 4% |
| 4% |
| Swanson | 1 | 4% |
| Well At Walgreens | 1 | 4% |
| Kirkland Signature | 1 | 4% |
| The Vitamin Shoppe | 1 | 4% |
| CVS Health | 1 | 4% |
| 7 |
| 29% |
| Vitamin A | 7 | 29% |
| Calories | 7 | 29% |
| Folate (Folic Acid) | 6 | 25% |
| Vitamin B12 | 6 | 25% |
| Vitamin D3 (Cholecalciferol) | 6 | 25% |
| Pantothenic Acid (Vitamin B5) | 5 | 21% |
| Total Carbohydrates | 5 | 21% |
| Niacin (Nicotinic Acid) | 4 | 17% |
| Vitamin B6 | 4 | 17% |
| Magnesium | 4 | 17% |