🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 71% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

2.6 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
71% Evidence Coverage

Supplement Facts — Evidence Check

18 mg (90% DV)
✅ 1.3× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 18mg UL 35mg
2 mg (100% DV)
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
3000 mcg (1000% DV)
📊 100.0× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 3.0mg
14 mg (140% DV)
✅ 2.8× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 14mg
15 mg (100% DV)
✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 15mg UL 40mg
1.7 mg (85% DV)
✅ 1.9× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 1.7mg UL 10mg
Cynatine HNS
500 mg

Other Ingredients

Inulin Natural Flavors Xanthan Gum

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (100% of products) Structure/Function (91% of products) Nutrient (57% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, add 1 level scoop of powder to an empty glass; then pour 6-8 ounces of water or non-carbonated beverage of choice. Take once daily.

⚠️ Warnings & Precautions

Warning: Keep out of reach of children and pets. Do not use if outer seal is broken or missing.

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.

🧪 Formulation Notes

Karatin Hair Booster Power with Biotin

Tested Gluten-free

Keratin Hair Booster starts with patented Cynatine HNS Keratin, an easily absorbed form of keratin. This targeted formula also includes hair-nourishing vitamins and minerals including Biotin.

Cynatine HNS Keratin A patented process creates a powerful, body ready keratin with unique bioavailabililty, delivering 18 amino acids including cysteine. Biotin An essential vitamin important to the health of body tissue including hair, skin and nails. Co-Nutrients Blend of essential nutrients including vitamins B complex (B3, B5 and B6), copper and zinc.

Additional Information

Strengthens and nourishes hair and nails Helps reduce hair shedding & supports the hair growth cycle Patented ingredient Studied clinical ingredients Mixes clear No taste or odor

Tested Gluten-free

Best stored tightly in a cool, dry place.

AL2241 AA2240

Supports shiny, gorgeous hair & strong, beautiful nails.

For tresses that can keep up with the stress of styling, coloring and shedding, start with karatin, the fibrous protein that gives thickness and shine to hair and nails.

Product Details

UPC / SKU 8 53427 00614 4
DSLD Entry Date 2017-02-24
Product Type Other Combinations
Form Powder
DSLD ID 70719
Data Updated 2026-04-11

Research Evidence

31 Research Sources
53 Avg Quality Score
12 Meta Analysis
9 Systematic Review
5 Rct
2 Clinical Trial
1 Regulatory Source
1 Openfda Safety
B Pentasaccharides for the treatment of deep vein thrombosis
Meta Analysis The Cochrane database of systematic reviews 2017
B Quantitative comparison of the efficacy of clinical drug treatments for primary progressive multiple sclerosis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2023
B Dietary interventions for multiple sclerosis-related outcomes
Meta Analysis The Cochrane database of systematic reviews 2020
B Interventions for infantile seborrhoeic dermatitis (including cradle cap)
Meta Analysis The Cochrane database of systematic reviews 2019
B Effect of varicocelectomy on sperm deoxyribonucleic acid fragmentation rates in infertile men with clinical varicocele: a systematic review and meta-analysis
Meta Analysis Fertility and sterility 2021
B Effect of feeding biotin on milk production and hoof health in lactating dairy cows: a quantitative assessment
Meta Analysis Journal of dairy science 2011
B Factitious Graves' Disease Due to Biotin Immunoassay Interference-A Case and Review of the Literature
Systematic Review The Journal of clinical endocrinology and metabolism 2016
B Effect of biotin on milk performance of dairy cattle: a meta-analysis
Meta Analysis Journal of dairy science 2011
B PROVIT: Supplementary Probiotic Treatment and Vitamin B7 in Depression-A Randomized Controlled Trial
Rct Nutrients 2020
B High-dose biotin for multiple sclerosis: A systematic review and meta-analyses of randomized controlled trials
Meta Analysis Multiple sclerosis and related disorders 2021
View all evidence for Biotin →

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