Home/ Supplements/ Vitamin C/ Healthy Hair Formula

Healthy Hair Formula

product on market Capsule Puritan's Pride Premium Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Biotin and L-Cysteine provide essential building blocks for keratin production, while Vitamin C and Folic Acid support cellular health. Research evidence for these ingredients in promoting hair growth is generally limited to specific deficiency cases. The formulation maintains a high safety profile for general use.

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

Label

Product Label

Label for Healthy Hair Formula
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
25%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
250 mg (417% DV)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
10000 mcg (3333% DV)
333.3× RDA — above typical dose 27 studies (A:0, B:11)
L-Cysteine
1000 mg
250 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
Horsetail
250 mg
250 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
MSM
250 mg
Market median: 1000.0mg (2 products)

Other Ingredients

Gelatin Contains <2% of
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

Product Information

Directions for Use

Directions: For adults, take three (3) capsules daily, preferably with a meal.

Formulation Notes

10,000 mcg of biotin per serving

No artificial color, flavor or sweetener, no preservatives, no sugar, no starch, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. Sodium free.

Additional Information

Beauty from within

To reorder Item # 50951

Metadata

Product Details

DSLD Entry Date2020-11-21
Product TypeOther Combinations
FormCapsule
DSLD ID239818
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
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
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
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
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
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 →
Compare

Similar Products

View all Vitamin C products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.