Keratin Hair Booster
by Reserveage Beauty · capsule · 120 capsules
- On the market (NIH)
- UPC 8 53427 00615 1
- DSLD label 327291
- Serving 2 capsules
- 60 servings
Keratin Hair Booster by Reserveage Beauty lists 11 ingredients, 8 with an amount per serving of 2 capsules, such as 18 mg NE of vitamin B3, 2 mg of vitamin B6, 3,000 mcg of biotin and 14 mg of pantothenic acid; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2025.
What is in Keratin Hair Booster?
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 |
|---|---|---|---|
| Vitamin B3as Niacinamide | 18 mg NE | 113% | 66% of 12,413 products listing niacin give more (median 20 mg). |
| Vitamin B6as Pyridoxine Hydrochloride | 2 mg | 118% | 69% of 15,277 products listing vitamin B6 give more (median 6 mg). |
| Biotin | 3,000 mcg | 10,000% | Higher than 91% of 9,447 products listing biotin (median 200 mcg). |
| Pantothenic Acidas D-Calcium Pantothenate | 14 mg | 280% | Higher than 51% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg). |
| Zincas Zinc Oxide | 15 mg | 136% | Higher than 56% of 13,186 products listing zinc (median 11 mg). |
| Copperas Copper Sulfate | 1.7 mg | 189% | Higher than 66% of 6,468 products listing copper (median 1 mg). |
| Cynatine HNSas Soluble Keratin | 500 mg | 0% of 102 products listing keratin give more (median 500 mg). | |
| Pro-Longevity Factors Blend | 40 mg | ||
| Japanese Knotweed Extractas Japanese Knotweed Rhizome Extract, Japanese Knotweed Root Extractstandardized to contain | in the blend, no amount given | ||
| Trans-Resveratrol | 20 mg | 72% of 1,123 products listing resveratrol give more (median 50 mg). | |
| French Red Wine Grapeas Vitis vinifera, Vitis vinifera, Vitis viniferaorganic | in the blend, no amount given | ||
| Muscadine Red Grapeas Vitis rotundifolia, Vitis rotundifoliaorganic | in the blend, no amount given |
Source: NIH ODS Dietary Supplement Label Database, label 327291 (entered February 23, 2025), 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?
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:
- Its 3,000 mcg of biotin is higher than 91% of the 9,447 biotin products that print an amount; 713 list more.
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?
2 products list the very same ingredients; the nearest amounts come first.
- Keratin Hair EnhanceResVitale same ingredients
- Keratin Hair BoosterReserveage Nutrition same ingredients
- Keratin FormulaNature's Bounty Optimal Solutions 9 shared, 84% alike
- Healthy HairNature's Bounty 9 shared, 84% alike
- Keratin EnrichBody Kitchen 8 shared, 67% alike
- Keratin Hair Booster Powder With BiotinReserveage Nutrition 7 shared, 62% 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: As a dietary supplement, take 2 capsules daily to set the tone for a beautifully healthy day. The product can be taken on an empty stomach, with food or as recommended by your healthcare practitioner.
- Warnings
- Warning: Keep out of reach of children and pets.
- Please consult your healthcare professional before taking this product, especially if you are pregnant, nursing, on medication or under a doctor's care.
- Do not use if outer seal is broken or missing.
- Allergens and what it does not contain
- Gluten-free
- Storage
- Best stored tightly closed in a cool, dry place. Do not refrigerate.
Source: label statements in DSLD label 327291.
What else is on the label?
Other ingredients: Rice Bran, Gelatin, Silica.
How many labels does Keratin Hair Booster have?
One label is on file, entered on February 23, 2025.
- Label 327291 (current) Entered February 23, 2025 · on the market · 120 capsules · UPC 8 53427 00615 1
DSLD also links this label to: Keratin Hair Booster (image difference, same product), Keratin Hair Booster (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 Reserveage Nutrition (distributor), Boca Raton, FL. All Reserveage Beauty products.