Hair, Skin, & Nails

product on market Tablet or Pill Burton Nutrition 🟢 Safety: 90/100
Brand: Burton Nutrition
🟢 90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 47% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

2 Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
47% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
400 mg (667% DV)
60 IU (200% DV)
✅ 2.7× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 40.2mg UL 1000mg
4 mg (200% DV)
📊 3.1× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 4mg UL 100mg
5000 mcg (1667% DV)
📊 166.7× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 5.0mg
20 mg (200% DV)
📊 4.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 20mg
Calcium
85 mg (9% DV)
20 mg (133% DV)
✅ 1.8× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 20mg UL 40mg
140 mcg (200% DV)
✅ 2.5× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.14mg UL 0.4mg
1 mg (50% DV)
✅ 1.1× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 1mg UL 10mg
4 mg (200% DV)
✅ 1.7× RDA — within safe limits 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 4mg UL 11mg
OptiMSM
250 mg
12.5 mg
📊 Market median: 108.0mg (8 products) 📚 9 studies (Tier A: 0, B: 4)
This product: 12.5mg
250 mg
📊 Market median: 20.0mg (931 products) 📚 233 studies (Tier A: 1, B: 90)
This product: 250mg
125 mg
📊 Market median: 500.0mg (193 products) 📚 7 studies — no high-quality reviews
This product: 125mg
100 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 100mg
Keratin, Hydrolyzed
50 mg
5 mg
📊 Market median: 100.0mg (173 products)
Median 100.0mg This product: 5mg
50 mg
📊 Market median: 200.0mg (198 products) 📚 6 studies — no high-quality reviews
This product: 50mg
Proprietary Blend
367 mg

Other Ingredients

Dicalcium Phosphate Stearic Acid Croscarmellose Sodium Pharmaceutical Glaze Magnesium Stearate Silicon Dioxide Microcrystalline Cellulose

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use: 2 tablets daily preferably with meals or as directed by a health care professional.

⚠️ Warnings & Precautions

Caution: Do not exceed recommended dose.

Pregnant or nursing mothers, children under 18 years of age, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under 18 years of age, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

This product is manufactured and packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and crustacean shellfish.

Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

Hair, Skin, & Nails with Biotin 5000 mcg per serving With Antioxidants C & E

Supports Hair & Nail Growth Advanced Formula

Additional Information

Store in a cool, dry place.

Premium Quality Guarantee Sourced from a GMP Certified Facility Formulated in USA

Product Details

DSLD Entry Date 2024-02-22
Product Type Other Combinations
Form Tablet or Pill
Brand Burton Nutrition
DSLD ID 306038
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
PubMed DOI
View all evidence for Vitamin C →

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