Hairprin by Approved Science — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
62% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size

30 Servings

Other Combinations Product Type

62% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

5000 IU (100% DV)

Vitamin E

24 IU (160% DV)

✅ 1.1× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 16.080000000000002mg UL 1000mg

Vitamin B6

20 mg (100% DV)

📊 15.4× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 20mg UL 100mg

Vitamin B2

10 mg (588% DV)

📊 7.7× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 10mg

Vitamin B12

10 mcg (167% DV)

📊 4.2× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.01mg

Pantothenic Acid

50 mg (500% DV)

📊 10.0× RDA — above typical dose 📚 1 studies — no high-quality reviews

RDA 5mg This product: 50mg

Zinc

16 mg (106% DV)

✅ 1.5× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 16mg UL 40mg

Iron

10 mg (66% DV)

Copper

900 mcg (46% DV)

✅ Within RDA (1.0× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 0.9mg UL 10mg

Biotin

500 mcg (167% DV)

📊 16.7× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 0.5mg

Folic Acid

200 mcg (50% DV)

✅ Within RDA (0.5× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 0.2mg UL 1.0mg

Iodine

150 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)

RDA 0.15mg This product: 0.15mg UL 1.1mg

Selenium

70 mcg (100% DV)

✅ 1.3× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.07mg UL 0.4mg

Saw Palmetto

400 mg

📊 Market median: 320.0mg (426 products) 📚 24 studies (Tier A: 0, B: 5)

This product: 400mg

L-Cysteine

200 mg

L-Methionine

200 mg

📊 Market median: 500.0mg (193 products) 📚 7 studies — no high-quality reviews

This product: 200mg

Ginkgo biloba

120 mg

📊 Market median: 120.0mg (440 products) 📚 187 studies (Tier A: 1, B: 71)

This product: 120mg

Fo-Ti

100 mg

Methylsulfonylmethane

100 mg

📊 Market median: 1000.0mg (2 products)

This product: 100mg

Silica

50 mg

📊 Market median: 108.0mg (8 products) 📚 9 studies (Tier A: 0, B: 4)

This product: 50mg

Borage Oil

4 mg

Other Ingredients

Cellulose

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Dairy Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take two capsules daily, (one in the morning and one in the afternoon), before meals with an 8 oz. glass of water.

⚠️ Warnings & Precautions

Caution: Do not exceed recommended dose. Do not use if safety seal is damaged or missing.

Pregnant women or nursing mothers, children under 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement.

Pregnant women or nursing mothers, children under 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement. Keep out of reach of children.

🧪 Formulation Notes

Manufactured in the USA according to Good Manufacturing Practice (cGMP) and conforms to the tested ingredients grade, strength and purity of industry Quality Standards.

Vegan friendly

Made with GMO free ingredients

Advanced hair support Premium grade High potency Safe Fast Natural formula Optimal strength GMP Certified

Contains silica and saw palmetto

100% vegan friendly

Additional Information

Store at room temperature.

Vegan friendly Made in USA No animal testing GMP Good Manufacturing Practice Quality Product

Product Details

UPC / SKU X002JESVBV

DSLD Entry Date 2024-11-22

Product Type Other Combinations

Form Capsule

Brand Approved Science

DSLD ID 319769

Data Updated 2026-04-11

Research Evidence

337 Research Sources

54 Avg Quality Score

161 Meta Analysis

68 Systematic Review

51 Rct

48 Clinical Trial

2 Other

2 Regulatory Source

1 Narrative Review

1 Cochrane Review

1 Guideline

1 Openfda Safety

A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis

Meta Analysis BMJ (Clinical research ed.) 2011

PubMed DOI

A Fortification of staple foods with vitamin A for vitamin A deficiency

Systematic Review The Cochrane database of systematic reviews 2019

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age

Narrative Review The Cochrane database of systematic reviews 2016

PubMed DOI Cochrane

A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa

Meta Analysis The Cochrane database of systematic reviews 2020

PubMed DOI

A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials

Meta Analysis Journal of sport and health science 2023

PubMed DOI

A Food fortification with multiple micronutrients: impact on health outcomes in general population

Meta Analysis The Cochrane database of systematic reviews 2019

PubMed DOI

A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age

Meta Analysis The Cochrane database of systematic reviews 2024

PubMed DOI

View all evidence for Vitamin A →