Healthy Hair Formula
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 25% of ingredients have research evidence
B
Label Compliance Grade
Product Label
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Label Data
3 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
25%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin C
250 mg
(417% DV)
400 mcg
(100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg)
📚 225 studies (Tier A: 10, B: 105)
10000 mcg
(3333% DV)
📊 333.3× RDA — above typical dose
📚 26 studies (Tier A: 0, B: 11)
L-Cysteine
1000 mg
250 mg
📊 Market median: 500.0mg (9 products)
Horsetail
250 mg
250 mg
📊 Market median: 500.0mg (193 products)
📚 7 studies — no high-quality reviews
250 mg
📊 Market median: 1000.0mg (2 products)
Other Ingredients
Gelatin
Contains <2% of
Label Claims — Verification
❓
Nutrient
❓
All Other
All Other (99% of products)
Structure/Function (83% of products)
Nutrient (54% of products)
Target Groups
Adult (18 - 50 Years)
Gluten Free
Dairy Free
Sugar Free
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
Product Details
DSLD Entry Date
2020-11-21
Product Type
Other Combinations
Form
Capsule
Brand
Puritan's Pride Premium
DSLD ID
239818
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 for the primary prevention of cardiovascular disease
A
Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
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