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Vitamins For The Hair

product on market Tablet or Pill Nature's Bounty Safety: 100/100
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.

Label

Product Label

Label for Vitamins For The Hair
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
60%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

35 mg (175% DV)
2.5× RDA — within safe limits 196 studies (A:5, B:63)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
6 mcg (100% DV)
2.5× RDA — within safe limits 139 studies (A:1, B:44)
100 mg (1000% DV)
20.0× RDA — above typical dose 2 studies — no high-quality reviews
Iron
15 mg (83% DV)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
15 mg (100% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
2 mg (100% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
5 mg (250% DV)
2.2× RDA — within safe limits 9 studies — no high-quality reviews
Sodium
5 mg (1% DV)
30 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
Within RDA (0.2× RDA) 38 studies (A:1, B:7)
50 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
Market median: 60.0mg (94 products) 13 studies (A:0, B:7)
Brewer's Yeast
5 mg

Other Ingredients

Vegetable Cellulose Dicalcium Phosphate Silica Calcium Silicate 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) tablet daily, preferably with a meal.

Warnings & Precautions

Do not use if seal under cap is broken or missing.

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.

Discontinue use and consult your doctor if any adverse reactions occur.

Formulation Notes

Contains soy and wheat ingredients.

No Artificial Color or Flavor, No Preservatives, No Sugar, No Milk, No Lactose, No Fish.

Suitable for Vegetarians.

Additional Information

Prod. No. 2100 06A B2101

GUARANTEED QUALITY LABORATORY TESTED

Provides a combination of nutrients consistently found in healthy hair.*

Store at room temperature.

NATURE'S BOUNTY(R)

Metadata

Product Details

UPC / SKU0 74312 02100 8
DSLD Entry Date2013-01-25
Product TypeOther Combinations
FormTablet or Pill
BrandNature's Bounty
DSLD ID17131
Data Updated2026-04-11
Research

Research Evidence

241
Research Sources
55
Avg Quality
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
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
Meta Analysis JAMA 2016 PubMed DOI
View all evidence for Niacin →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.