Hair by Codeage — Ingredients, Evidence & Safety

🟢 99/100

This product looks safe

Folate: 340mg is 340.0× the Tolerable Upper Intake Level (1.0mg)
65% of ingredients have research evidence

C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 340mg is 340.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

4 Capsule(s) Serving Size

30 Servings

Other Combinations Product Type

65% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

1585 mcg (176% DV)

Vitamin C

250 mg (278% DV)

Vitamin D3

30 mcg (150% DV)

✅ 2.0× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)

RDA 0.015mg This product: 0.03mg UL 0.1mg

Vitamin E

54 mg (360% DV)

📊 3.6× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 54mg UL 1000mg

Niacin

31 mg (194% DV)

✅ 2.2× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 31mg UL 35mg

Vitamin B6

9 mg (529% DV)

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

RDA 1.3mg This product: 9mg UL 100mg

Folate

340 mcg DFE (85% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 340.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 340mg UL 1.0mg

Vitamin B12

20 mcg (833% DV)

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

RDA 0.0024mg This product: 0.02mg

Biotin

10000 mcg (33333% DV)

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

RDA 0.03mg This product: 10.0mg

Pantothenic Acid

10 mg (200% DV)

✅ 2.0× RDA — within safe limits 📚 1 studies — no high-quality reviews

RDA 5mg This product: 10mg

Choline

40 mcg (7% DV)

📊 Market median: 125.0mg (294 products) 📚 36 studies (Tier A: 1, B: 7)

RDA 550mg This product: 0.04mg UL 3500mg

Iodine

50 mcg (33% DV)

✅ Within RDA (0.3× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)

RDA 0.15mg This product: 0.05mg UL 1.1mg

Zinc

20 mg (182% DV)

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

RDA 11mg This product: 20mg UL 40mg

Selenium

55 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.055mg UL 0.4mg

Ultimate Hair Health Complex

1612 mg

Growth, Shine & Anti Gray Complex

520 mg

Hair Health Probiotic Blend

228 mg

📊 Market median: 80.0mg (20 products) 📚 334 studies (Tier A: 8, B: 183)

This product: 228mg

Digestive Enzyme Hair Health Blend

100 mg

Keratin

50 mg

Omega-3

50 mg

📊 Market median: 750.0mg (447 products) 📚 388 studies (Tier A: 18, B: 204)

This product: 50mg UL 3000mg

Silica

20 mg

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

This product: 20mg

BioPerine

5 mg

Inositol

40 mcg

📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)

This product: 0.04mg

Other Ingredients

Methylcellulose

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use: Adults take 4 capsules daily with 8 ounces of water or your favorite beverage. May be taken with or without food.

⚠️ Warnings & Precautions

Contains: Fish (white fish).

Caution: Do not exceed recommended dose.

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

Please use caution if you have allergies or sensitivities to any of the listed ingredients. Allergen warning: Fish (White fish). This product is manufactured in a facility that processes fish and tree nuts.

Do not use if product has been opened or tampered with in any way. Keep out of reach of children and pets.

Keep out of reach of children and pets.

🧪 Formulation Notes

Biotin Essential Nutrient Keratin

Non GMO

cGMP Certified

Biotin - Collagen - Keratin - Vitamins

Additional Information

Questions? Codeage.com

Store in a cool, dry place.

Product Details

UPC / SKU 8 53919 00849 6

DSLD Entry Date 2023-10-24

Product Type Other Combinations

Form Capsule

Brand Codeage

DSLD ID 298385

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 →