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Hair Growth Complex

product on market Capsule Primal Harvest 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 Vitamin C, which support keratin production and cellular health. While biotin and B-vitamins are commonly linked to hair health, the overall evidence coverage for this specific combination is limited. The ingredient profile maintains a high safety score.

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

Label

Product Label

Label for Hair Growth Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
60%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
200 mg (222% DV)
30 mg NE (188% DV)
2.1× RDA — within safe limits 196 studies (A:5, B:63)
2 mg (118% DV)
1.5× RDA — within safe limits 114 studies (A:3, B:35)
4000 mcg (13333% DV)
133.3× RDA — above typical dose 27 studies (A:0, B:11)
15 mg (300% DV)
3.0× RDA — within safe limits 2 studies — no high-quality reviews
Calcium
35 mg (3% DV)
20 mg (182% DV)
1.8× RDA — within safe limits 263 studies (A:6, B:134)
1.6 mg (178% DV)
1.8× RDA — within safe limits 37 studies (A:0, B:11)
Horsetail stem extract
25 mg
3 mg
Market median: 108.0mg (8 products) 9 studies (A:0, B:4)

Other Ingredients

Rice Flour Gelatin Microcrystalline Cellulose Magnesium Stearate Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Adults, take two (2) capsules daily, or as directed by your healthcare professional. Take with or without food anytime of day.

Warnings & Precautions

Caution: If you are under a physician's care or taking medication, consult with your healthcare professional before using this product. If you are pregnant or nursing, or have a known medical condition, do not use without consulting a physician.

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

Formulation Notes

For healthier, thicker, fuller hair

Additional Information

Store in a cool, dry place.

Metadata

Product Details

DSLD Entry Date2022-11-22
Product TypeBotanical with Nutrients
FormCapsule
DSLD ID277129
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 →
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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.