PlainVitamins

Keratin Booster for Men

by Reserveage Beauty · capsule · 60 capsules

  • On the market (NIH)
  • UPC 0 94922 01569 3
  • DSLD label 299300
  • Serving 2 capsules
  • 30 servings

Keratin Booster for Men by Reserveage Beauty lists 16 ingredients, 13 with an amount per serving of 2 capsules, such as 18 mg NE of niacin, 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 November 22, 2023.

What is in Keratin Booster for Men?

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).

Keratin Booster for Men: Supplement Facts rows against the market (DSLD label 299300, January 2026 release)
IngredientAmount% DVAmong products listing it
Niacinas Niacinamide18 mg NE113%Niacin in Keratin Booster for Men against 12,413 products18 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg18 mg

66% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B6as Pyridoxine Hydrochloride2 mg118%Vitamin B6 in Keratin Booster for Men against 15,277 products2 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg2 mg

69% of 15,277 products listing vitamin B6 give more (median 6 mg).

Biotin3,000 mcg10,000%Biotin in Keratin Booster for Men against 9,447 products3,000 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg3,000 mcg

Higher than 91% of 9,447 products listing biotin (median 200 mcg).

Pantothenic Acidas D-Calcium Pantothenate14 mg280%Pantothenic Acid (Vitamin B5) in Keratin Booster for Men against 10,060 products14 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg14 mg

Higher than 51% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Zincas Zinc Oxide15 mg136%Zinc in Keratin Booster for Men against 13,186 products15 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg15 mg

Higher than 56% of 13,186 products listing zinc (median 11 mg).

Copperas Copper Sulfate1.7 mg189%Copper in Keratin Booster for Men against 6,468 products1.7 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg1.7 mg

Higher than 66% of 6,468 products listing copper (median 1 mg).

Cynatine HNSas Keratin, Sheep's Wool500 mgKeratin in Keratin Booster for Men against 102 products500 mg per serving; the middle half of products list 77.5 mg to 500 mg, the median 500 mg.500 mg

0% of 102 products listing keratin give more (median 500 mg).

Plant Phytosterol Complex300 mgPhytosterols in Keratin Booster for Men against 440 products300 mg per serving; the middle half of products list 100 mg to 667 mg, the median 400 mg.300 mg

58% of 440 products listing phytosterols give more (median 400 mg).

Beta Sitosterol120 mgBeta Sitosterol in Keratin Booster for Men against 264 products120 mg per serving; the middle half of products list 50 mg to 221.25 mg, the median 100 mg.120 mg

Higher than 53% of 264 products listing beta sitosterol (median 100 mg).

Campesterol60 mgCampesterol in Keratin Booster for Men against 34 products60 mg per serving; the middle half of products list 40.75 mg to 133 mg, the median 84.5 mg.60 mg

53% of 34 products listing campesterol give more (median 84.5 mg).

Stigmasterol40 mgStigmasterol in Keratin Booster for Men against 38 products40 mg per serving; the middle half of products list 40 mg to 100 mg, the median 66 mg.40 mg

71% of 38 products listing stigmasterol give more (median 66 mg).

Saw Palmetto berry extractas Fatty Acids160 mgSaw Palmetto in Keratin Booster for Men against 1,109 products160 mg per serving; the middle half of products list 100 mg to 320 mg, the median 200 mg.160 mg

51% of 1,109 products listing saw palmetto give more (median 200 mg).

Pro-Longevity Factors Blend40 mg
Japanese Knotweed Rhizome, Root Extractas Japanese Knotweed Rhizome Extract, Japanese Knotweed Root Extractstandardized to containin the blend, no amount given
Trans-Resveratrol20 mgResveratrol in Keratin Booster for Men against 1,123 products20 mg per serving; the middle half of products list 20 mg to 125 mg, the median 50 mg.20 mg

72% of 1,123 products listing resveratrol give more (median 50 mg).

French Red Wine Grapeas Vitis vinifera, Vitis vinifera, Vitis viniferaorganicin the blend, no amount given
Muscadine Red Grapeas Vitis rotundifolia, Vitis rotundifoliaorganicin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 299300 (entered November 22, 2023), 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?

The products whose ingredient lists overlap most with Keratin Booster for Men's, rare ingredients counting for more.

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 with meals or as directed by your healthcare practitioner. For best results, take for a minimum of 90 days.
Warnings
Not intended for use by women.
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.

Source: label statements in DSLD label 299300.

What else is on the label?

Other ingredients: Gelatin, Rice Bran, Silica.

How many labels does Keratin Booster for Men have?

One label is on file, entered on November 22, 2023.

  1. Label 299300 (current) Entered November 22, 2023 · on the market · 60 capsules · UPC 0 94922 01569 3

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.

Where next?