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Ultra Strength Hair

product on market Softgel Capsule OLLY Safety: 96/100
96/100

This product looks safe

  • Folate: 200mg is 200.0× the Tolerable Upper Intake Level (1.0mg)
  • 70% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Biotin, iron, and B vitamins are linked to hair health and cellular function, though evidence for biotin's effectiveness in healthy individuals is limited. Vitamin D and folate support overall metabolic processes necessary for follicle maintenance. The ingredient profile is associated with a high safety score of 96/100.

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

Alerts

Safety Alerts

Folate: 200mg is 200.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Ultra Strength Hair
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Softgel(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
70%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

20 mcg (100% DV)
1.3× RDA — within safe limits 608 studies (A:16, B:251)
200 mcg DFE (50% DV)
Exceeds UL by 200.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
5 mcg (208% DV)
2.1× RDA — within safe limits 139 studies (A:1, B:44)
3000 mcg (10000% DV)
100.0× RDA — above typical dose 27 studies (A:0, B:11)
Iron
0.6 mg (3% DV)
5.5 mg (50% DV)
Within RDA (0.5× RDA) 263 studies (A:6, B:134)
0.45 mg (50% DV)
Within RDA (0.5× RDA) 37 studies (A:0, B:11)
Keratin
150 mg
Amla Fruit Extract
25 mg
21 mg
Market median: 108.0mg (8 products) 9 studies (A:0, B:4)

Other Ingredients

Rice Bran Oil Gelatin Glycerin Water Beeswax Sunflower Lecithin Iron Oxide Natural flavor
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Adults, take 1 softgel with water per day. Swallow whole.

Take with water

Warnings & Precautions

Processed in a facility with peanuts that may contain soy, egg, peanuts, tree nuts, milk, fish, shellfish, wheat and sesame.

Take only as directed. Do not exceed suggested use.

If you have a medical condition or are pregnant or nursing, please seek the advice of a qualified health care professional before using.

Not intended for use in children.

Do not use if shrink wrap is torn or missing.

Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately. Keep out of the reach of children.

Formulation Notes

Multi-Benefit Blend to support hair strength, health & growth

No synthetic flavors or dyes Gluten free

Head Strong A unique blend of ingredients for oh-so-many benefits. Supports fuller looking hair Protects hair pigment Helps reduce breakage Supports healthy growth Supports strength & resilience

Additional Information

Contents Certified NSF Certified B Corporation

Empty Before Recycling Plastic Bottle Bottle not recyclable unless label removed Plastic Label how2recycle.info

Store in a cool, dry place.

Metadata

Product Details

UPC / SKU8 40160 20076 2
DSLD Entry Date2023-06-22
Product TypeBotanical with Nutrients
FormSoftgel Capsule
BrandOLLY
DSLD ID291373
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
309
Meta Analysis
309
Clinical Trial
111
Rct
71
Systematic Review
55
Guideline
4
Cochrane Review
4
Regulatory Source
2
Other
2
Narrative Review
2
Observational
1
Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
View all evidence for Vitamin D →
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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.