Hydrolyzed Keratin
by Doctor's Best · capsule · 60 veggie caps
- Off the market since December 2022 (NIH)
- UPC 7 53950 00545 7
- DSLD label 270241
- Serving 1 veggie capsule
- 60 servings
Hydrolyzed Keratin by Doctor's Best lists one ingredient: 500 mg of KeraGLO per serving of 1 veggie capsule. Its current label entered the NIH Dietary Supplement Label Database on June 16, 2022.
What is in Hydrolyzed Keratin?
Each row as the label prints it, per serving of 1 veggie capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Sodium | 15 mg | 1% | 72% of 14,514 products listing sodium give more (median 55 mg). |
| KeraGLOas Keratin, Hydrolyzed | 500 mg | 0% of 102 products listing keratin give more (median 500 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 270241 (entered June 16, 2022), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
1 product lists the very same ingredients; the nearest amounts come first.
- Hydrolyzed Keratin with KeraGLO 500 mgDoctor's Best same ingredients
- MetachelCardiovascular Research 1 shared, 78% alike
- Keratin 50 mgSwanson Premium Brand · off the market 1 shared, 78% alike
- Keratin 50 mgSwanson 1 shared, 78% alike
- Biotin 10,000 mcgExchange Select 1 shared, 61% alike
- Biotin plus Keratinup&up 1 shared, 61% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Adult Use: Take 1 capsule daily, or as recommended by a nutritionally informed physician.
- Warnings
- Warning: Consult a physician before use if you are pregnant, nursing or have an existing medical condition.
- Allergens and what it does not contain
- Non-GMO Gluten free Soy free
- Storage
- Store in a cool dry place.
Source: label statements in DSLD label 270241.
What else is on the label?
Other ingredients: Hypromellose, Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide.
How many labels does Hydrolyzed Keratin have?
One label is on file, entered on June 16, 2022.
- Label 270241 (current) Entered June 16, 2022 · off the market December 16, 2022 · 60 veggie caps · UPC 7 53950 00545 7
DSLD also links this label to: Hydrolyzed Keratin with KeraGLO 500 mg (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Doctor's Best, Inc. (distributor), California. All Doctor's Best products.