100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 60% of ingredients have research evidence
A
Label Compliance Grade
What the Evidence Says
✨ AI-generated · Qwen 3.6
· methodology
This formula contains B vitamins and iron, which are essential for cellular energy and oxygen transport to hair follicles. Research provides moderate evidence that these nutrients support hair health when deficiencies are present. However, the overall evidence coverage for this specific combination is limited.
AI-generated summary based on research evidence. Not medical advice.
Details
Label Data
Other Combinations
Product Type
Ingredients
Supplement Facts — Evidence Check
2.5× RDA — within safe limits
196 studies (A:5, B:63)
Within RDA (1.0× RDA)
226 studies (A:10, B:105)
2.5× RDA — within safe limits
139 studies (A:1, B:44)
20.0× RDA — above typical dose
2 studies — no high-quality reviews
Within RDA (1.0× RDA)
245 studies (A:4, B:133)
1.4× RDA — within safe limits
263 studies (A:6, B:134)
2.2× RDA — within safe limits
37 studies (A:0, B:11)
2.2× RDA — within safe limits
9 studies — no high-quality reviews
Market median: 500.0mg (9 products)
7 studies — no high-quality reviews
Within RDA (0.2× RDA)
38 studies (A:1, B:7)
Market median: 550.0mg (217 products)
29 studies (A:0, B:5)
Market median: 60.0mg (94 products)
13 studies (A:0, B:7)
Other Ingredients
Vegetable Cellulose
Dicalcium Phosphate
Silica
Vegetable Magnesium Stearate
Claims
Label Claims — Verification
Unverified
All Other
Unverified
Structure/Function
Info
Product Information
Directions for Use
DIRECTIONS: For adults, take one (1) caplet daily, preferably with a meal.
Warnings & Precautions
Contains soy and wheat ingredients.
WARNING: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under six. KEEP THIS PRODUCT OUT OF REACH OF CHILDREN. In case of accidental overdose, call a doctor or Poison Control Center immediately.
WARNING: If you are pregnant, nursing or taking any medications, consult your doctor before use. Avoid this product if you have Wilson's disease or are allergic to yeast. Discontinue use and consult your doctor if any adverse reactions occur. Store in a cool, dry place. Do not use if seal under cap is broken or missing.
Formulation Notes
No Artificial Color or Flavor, No Preservatives, No Sugar, No Milk, No Lactose, No Fish.
VEGETARIAN
Additional Information
PROD. # 2100 B2101 10E
QUALITY ASSURED From the moment raw ingredients reach our facilities to the time a finished supplement is packaged, stringent analysis confirms the potency, purity and nutritional content of every nutritional product that bears the Vitamin World name. We guarantee it!
Synergistic Beauty Formula For Lustrous Hair*
Naturally Inspired
Metadata
Product Details
UPC / SKU0 74312 72100 7
DSLD Entry Date2011-10-26
Product TypeOther Combinations
FormUnknown
Data Updated2026-04-11
Research
Research Evidence
A
Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis
The Cochrane database of systematic reviews
2017
PubMed
DOI
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
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
View all evidence for Niacin →
This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.