Keratin Hair Enhance

product on market Capsule ResVitale 🟢 Safety: 100/100
Brand: ResVitale
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 75% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Capsule(s) Serving Size
30 Servings
Botanical with Nutrients Product Type
75% 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
40 mg
📊 Market median: 167.0mg (311 products) 📚 182 studies (Tier A: 0, B: 65)
This product: 40mg

Other Ingredients

Rice Bran Vegetarian Capsule Silica

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult Female (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take 2 capsules daily or as recommended by your healthcare practitioner.

⚠️ Warnings & Precautions

Warning: Keep out of reach of children and pets.

Do not use if outer seal is broken or missing.

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

Keratin Hair Enhance promotes gorgeous strength and shine with a special formula that helps reduce unhealthy shedding and supports the growth cycle. It supplies a patented keratin protein that's specially processed for easy absorption. Plus Biotin, co-nutrients and antioxidants are included to nourish hair and help it withstand the stress of coloring and styling.

With biotin & resveratrol

Strengthens and nourishes hair and nails Helps reduce hair shedding & supports the hair growth cycle

Patented ingredient Clinically studied ingredients

Tested Gluten-free

Additional Information

Advanced skincare from within

Best stored tightly closed in a cool, dry place.

Product Details

UPC / SKU 8 58830 00247 9
DSLD Entry Date 2020-02-26
Product Type Botanical with Nutrients
Form Capsule
Brand ResVitale
DSLD ID 213525
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
113 Meta Analysis
75 Systematic Review
32 Rct
11 Clinical Trial
3 Other
3 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013
PubMed DOI
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014
PubMed DOI
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
PubMed DOI
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
PubMed DOI
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
PubMed DOI
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI Cochrane
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
PubMed DOI
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
PubMed DOI
View all evidence for Niacin →

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