Hydrolyzed Keratin®

Other Combinations

Brand: Doctor's Best

CapsuleOther CombinationsOff Market
Click to view full label

Net Contents

60 Veggie Cap(s)

Serving Size

1 Veggie Capsule(s)

Servings Per Container

60

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 53950 00545 7

Product Version

YDRB545

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report an established %DV per serving.

2Dietary Attributes

Label states: Non-GMO, Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Free From

  • Soy
  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Veggie Capsule(s) · 1 per day

IngredientAmount Per Serving% Daily Value
Sodium15 mg1%
KeraGLO(Keratin, Hydrolyzed)500 mg

Percent Daily Values are based on a 2,000 calorie diet.

Other Ingredients

HypromelloseMicrocrystalline CelluloseMagnesium StearateSilicon Dioxide

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Adult Use: Take 1 capsule daily, or as recommended by a nutritionally informed physician.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: Consult a physician before use if you are pregnant, nursing or have an existing medical condition.

Storage

Storage

Store in a cool dry place.

Formulation

Formula re: Contains

Doctor's Best Hydrolyzed Keratin contains KeraGLO hydrolyzed keratin, a beauty-from-within ingredient that helps strengthen and nourish your hair. It is formulated with amino acids to nurture lustrous-looking hair, while also encouraging hair brightness, density and volume by bonding with hair strands. Let your lavish locks shine!

Formulation re: Other

Supports Hair brightness, density and volume by bonding with hair strands Healthy, lustrous-looking hair

Formulation re: Other

Helps strengthen, nourish and hydrate hair

Formulation re: Does NOT Contain

Non-GMO Gluten free Soy free

FDA Statements

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

FDA Statement of Identity

Dietary Supplement

Other Label Statements

General Statements: All Other Content

Our hair is comprised of about 80%-95% keratin. Age-related decline as well as damage from styling products and tools can result in less stable and flexible hair, leaving hair prone to dryness and breakage.

Brand IP Statement(s) re: (c), (TM), (SM)

Science-based nutrition Doctor's Best

Brand IP Statement(s) re: (c), (TM), (SM)

KeraGLO is a registered trademark of NutriScience Innovations, LLC.

Manufacturer & Distributor

Distributor

Doctor's Best, Inc.

(800) 777-2474

Market Reference

$10.90 – $142.35· 12 listings
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  • Hydrolyzed Keratin Protein | Hair Strengthening Ingredient | Lotioncrafter 1 lb - $39.95

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    $39.95
  • Doctor's Best Pure Collagen Peptides With Added Hyaluronic Acid

    iHerb4.7(36)
    $26.99
  • Collagen Type 1 & 3 Tablets Doctor's Best View 180 Tablets

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    $35.00
  • Personal Clinic Resistance Hydrolyzed Keratin Conditioner 500ml - All Nature

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    $51.48
  • Doctor's Best Collagen Types 1 & 3

    Walmart - LUMINIZE4.7(1100)
    $16.99
  • Doctor's Best Collagen Types 1 & 3 Powder

    Vitacost.com4.7(4900)
    $12.99

Where to Buy Locally

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Research & Studies

  • The effects of an oral supplementation of a natural keratin hydrolysate on skin aging: a randomized, double‐blind, placebo‐controlled clinical study in healthy women

    F Tursi, V Nobile, E Cestone, I De Ponti… - Journal of Cosmetic …, 2025 - Wiley Online Library

    … Hydrolyzed keratin extracted from different biological sources is used as component of food supplements … a hydrolysate obtained by a patented extensive hydrolysis process applied on …

    20259 citations
  • KeraGLO® hydrolyzed keratin: A healthy aging supplement, improved skin and hair in a placebo controlled trial

    E Dosz - Current Developments in Nutrition, 2024 - cdn.nutrition.org

    … Parameters of skin and hair health were … health at both 500mg and 1000mg doses showed significant improvement with 95% confidence by day 90. Conclusions: Hydrolyzed keratin …

    20241 citations
  • … of the oral supplementation with a natural keratin hydrolysate (Kera-Diet®) on hair and nails: randomized, Placebo and Benchmark-controlled clinical trial on healthy …

    V Nobile, F Tursi, E Cestone, R Sergheraert… - Trichology and …, 2020 - openventio.us

    … In our study, we demonstrated the role of a food supplement containing a natural extensively hydrolyzed keratin in improving both hair and nails conditions after a 3 month intake period. …

    20206 citations
  • The effect of chronic soluble keratin supplementation in physically active individuals on body composition, blood parameters and cycling performance

    EM Crum, YD McLeay, MJ Barnes… - Journal of the International …, 2018 - Springer

    … Therefore, using physically active healthy individuals, the purpose of this study was to compare the effects of 4 weeks of cycle training combined with KER or CAS supplementation on …

    201810 citations
  • The cosmetic and dermatological potential of keratin hydrolysate

    P Mokrejs, M Hutta, J Pavlackova… - Journal of cosmetic …, 2017 - Wiley Online Library

    Background Although keratin hydrolysates have become established as standard components in hair and nail cosmetics, studies on the moisturizing effects of keratin hydrolysates do …

    201767 citations
  • Extraction and application of keratin from natural resources: a review

    CR Chilakamarry, S Mahmood, SNBM Saffe… - 3 Biotech, 2021 - Springer

    … keratin, its classification and its properties. It also covers various methods by which keratin is extracted like chemical hydrolysis, … Hydrolysed keratins in a concentration of 0.2% are used …

    2021221 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-06-16. DSLD Label ID: 270241. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.