Keratin Formula
by Nature's Bounty Optimal Solutions · capsule · 50 capsules
- On the market (NIH)
- DSLD label 49568
- Serving 2 capsules
- 25 servings
Keratin Formula by Nature's Bounty Optimal Solutions lists 9 ingredients, 9 with an amount per serving of 2 capsules, such as 18 mg of niacin, 2 mg of vitamin B6, 300 mcg of biotin and 14 mg of pantothenic acid. Its current label entered the NIH Dietary Supplement Label Database on August 25, 2015.
What is in Keratin Formula?
Each row as the label prints it, per serving of 2 capsules. 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 |
|---|---|---|---|
| Niacin | 18 mg | 90% | 66% of 12,413 products listing niacin give more (median 20 mg). |
| Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride) | 2 mg | 100% | 69% of 15,277 products listing vitamin B6 give more (median 6 mg). |
| Biotinas D-BiotinBiotin (Form: as D-Biotin) | 300 mcg | 100% | Higher than 53% of 9,447 products listing biotin (median 200 mcg). |
| Pantothenic Acidas D-Calcium PantothenatePantothenic Acid (Form: as D-Calcium Pantothenate) | 14 mg | 140% | Higher than 51% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg). |
| Zincas Zinc OxideZinc (Form: as Zinc Oxide) | 15 mg | 100% | Higher than 56% of 13,186 products listing zinc (median 11 mg). |
| Copperas Copper GluconateCopper (Form: as Copper Gluconate) | 2 mg | 100% | Higher than 66% of 6,468 products listing copper (median 1 mg). |
| Cynatine HNS Keratin | 500 mg | 0% of 102 products listing keratin give more (median 500 mg). | |
| Resveratrolas Polygonum cuspidatum extractResveratrol (Form: from Polygonum cuspidatum extract PlantPart: root Genus: Polygonum Species: cuspidatum) | 10 mg | 80% of 1,123 products listing resveratrol give more (median 50 mg). | |
| Grapeseed extract | 10 mg | 86% of 1,900 products listing grape give more (median 50 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 49568 (entered August 25, 2015), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- 86% of the 1,900 products that print an amount of grape list more than its 10 mg of grape (median 50 mg).
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.
- Healthy HairNature's Bounty same ingredients
- Keratin Hair EnhanceResVitale 9 shared, 84% alike
- Keratin Hair BoosterReserveage Nutrition 9 shared, 84% alike
- Keratin Hair BoosterReserveage Beauty 9 shared, 84% alike
- Keratin EnrichBody Kitchen 8 shared, 79% alike
- Keratin Hair Booster Powder With BiotinReserveage Nutrition 7 shared, 73% 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
- DIRECTIONS: For adults, take two (2) capsules daily, preferably with a meal.
- Warnings
- Do not use if seal under cap is broken or missing.
- WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
- Discontinue use and consult your doctor if any adverse reactions occur.
- Not intended for use by persons under the age of 18. Keep out of reach of children.
- Allergens and what it does not contain
- No Artificial Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
- Storage
- Store at room temperature.
Source: label statements in DSLD label 49568.
What else is on the label?
Other ingredients: Gelatin, Dicalcium Phosphate, Contains Less Than 2% of.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): LABORATORY TESTED GUARANTEED QUALITY.
How many labels does Keratin Formula have?
One label is on file, entered on August 25, 2015.
- Label 49568 (current) Entered August 25, 2015 · on the market · 50 capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names NATURE’S BOUNTY, INC. (manufacturer), Bohemia, NY, U.S.A.. All Nature's Bounty Optimal Solutions products.