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Collagen Keratin

product on market Capsule Solaray Safety: 95/100
95/100

This product looks safe

  • Copper: 280mg is 28.0× the Tolerable Upper Intake Level (10mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Marine and chicken collagens, supported by vitamin C, zinc, and copper, provide essential building blocks for connective tissue and skin health. There is moderate evidence that these nutrients support collagen synthesis and structural integrity. However, overall evidence coverage for this specific combination is limited.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Copper: 280mg is 28.0× the Tolerable Upper Intake Level (10mg)

Label

Product Label

Label for Collagen Keratin
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
255 mg (283% DV)
3 mg (27% DV)
Within RDA (0.3× RDA) 263 studies (A:6, B:134)
280 mg (31% DV)
Exceeds UL by 28.0× (UL: 10 mg) 37 studies (A:0, B:11)
Market median: 20.0mg (931 products) 234 studies (A:1, B:90)
Market median: 20.0mg (931 products) 234 studies (A:1, B:90)
Market median: 200.0mg (198 products) 6 studies — no high-quality reviews
Market median: 100.0mg (173 products)
Keratin
500 mg

Other Ingredients

Gelatin Magnesium Stearate Silica Cellulose
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Use only as directed. Take 2 capsules daily with a meal or glass of water.

Warnings & Precautions

Warning: Do not use if safety seal is broken or missing. Keep your licensed health care practitioner informed when using this product.

Keep out of reach of children.

Formulation Notes

Collagen Keratin with alpha lipoic acid & hyaluronic acid

Hair, skin & nails support

Additional Information

Lab Verified

Store in a cool, dry place.

100% PCR BOTTLES

Metadata

Product Details

UPC / SKU0 76280 73799 8
DSLD Entry Date2025-02-23
Product TypeOther Combinations
FormCapsule
BrandSolaray
DSLD ID325962
Data Updated2026-04-11
Research

Research Evidence

281
Research Sources
54
Avg Quality
141
Meta Analysis
72
Systematic Review
45
Rct
18
Clinical Trial
2
Narrative Review
1
Other
1
Guideline
1
Openfda Safety
A Vascular closure devices for femoral arterial puncture site haemostasis
Meta Analysis The Cochrane database of systematic reviews 2016 PubMed DOI
B Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2023 PubMed DOI
B Transepithelial versus epithelium-off corneal crosslinking for progressive keratoconus
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
B Bisphosphonate therapy for osteogenesis imperfecta
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
B Punctal occlusion for dry eye syndrome
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
B Dressings and topical agents containing hyaluronic acid for chronic wound healing
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
B Efficacy of statins for osteoporosis: a systematic review and meta-analysis
Meta Analysis Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA 2017 PubMed DOI
B Drugs to reduce bleeding and transfusion in major open vascular or endovascular surgery: a systematic review and network meta-analysis
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
B Bisphosphonate therapy for osteogenesis imperfecta
Meta Analysis The Cochrane database of systematic reviews 2008 PubMed DOI
B Bisphosphonates for osteoporosis in primary biliary cirrhosis
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
View all evidence for Collagen →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.