Hair, Skin & Nails by Rexall — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
60% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

3 Tablet(s) Serving Size

40 Servings

Other Combinations Product Type

60% Evidence Coverage

Supplement Facts — Evidence Check

Total Carbohydrates

1 Gram(s) (1% DV)

Vitamin A

5000 IU (100% DV)

Vitamin C

120 mg (200% DV)

Vitamin D

100 IU (25% DV)

✅ Within RDA (0.2× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)

RDA 0.015mg This product: 0.0025mg UL 0.1mg

Vitamin E

15 IU (50% DV)

✅ Within RDA (0.7× RDA of 15 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 10.05mg UL 1000mg

Thiamine

5 mg (333% DV)

📊 4.2× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 5mg

Riboflavin

5 mg (294% DV)

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

RDA 1.3mg This product: 5mg

Niacin

25 mg (125% DV)

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

RDA 14mg This product: 25mg UL 35mg

Vitamin B6

5 mg (250% DV)

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

RDA 1.3mg This product: 5mg UL 100mg

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

Vitamin B12

8 mcg (133% DV)

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

RDA 0.0024mg This product: 0.008mg

Biotin

3000 mcg (1000% DV)

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

RDA 0.03mg This product: 3.0mg

Pantothenic Acid

15 mg (150% DV)

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

RDA 5mg This product: 15mg

Calcium

707 mg (71% DV)

Iron

3 mg (17% DV)

Phosphorus

150 mg (15% DV)

✅ Within RDA (0.2× RDA of 700 mg) 📚 12 studies (Tier A: 0, B: 3)

RDA 700mg This product: 150mg UL 4000mg

Iodine

112.5 mcg (75% DV)

✅ Within RDA (0.8× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)

RDA 0.15mg This product: 0.1125mg UL 1.1mg

Magnesium

100 mg (25% DV)

📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)

This product: 100mg

Zinc

7.5 mg (50% DV)

✅ Within RDA (0.7× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 7.5mg UL 40mg

Selenium

12.5 mcg (18% DV)

✅ Within RDA (0.2× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.0125mg UL 0.4mg

Manganese

5 mg (250% DV)

✅ 2.2× RDA — within safe limits 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 5mg UL 11mg

Sodium

10 mg (1% DV)

PABA

25 mg

📊 Market median: 500.0mg (9 products)

This product: 25mg

Choline Bitartrate

75 mg

✅ Within RDA (0.1× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)

RDA 550mg This product: 75mg UL 3500mg

Inositol

30 mg

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

This product: 30mg

Ribonucleic Acid

30 mg

Citrus Bioflavonoids

25 mg

📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)

This product: 25mg

Rutin

12.5 mg

📊 Market median: 500.0mg (19 products)

This product: 12.5mg

Horsetail extract

3 mg

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

This product: 3mg

Betaine Hydrochloride

25 mg

📊 Market median: 496.0mg (192 products) 📚 20 studies — no high-quality reviews

This product: 25mg

Other Ingredients

Cellulose Croscarmellose Silica Vegetable Magnesium Stearate Cellulose Coating Gelatin Mannitol

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

Directions: For adults, take three (3) tablets daily, preferably with meals.

⚠️ Warnings & Precautions

Warning: If you are pregnant, nursing, taking any medications or planning any medical procedure, consult your doctor before use.

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

Not intended for use by persons under the age of 18.

As a reminder, discuss the supplements and medications you take with your health care providers.

Keep out of reach of children.

Tamper Resistant: 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.

🧪 Formulation Notes

3000 mcg of Biotin! Per serving

Rexall's Hair, Skin & Nails tablets provide a combination of nutrients, including Vitamin C and Biotin, that support the structural foundation of your hair, skin and nails.

Additional Information

Prod. No. 7584 B7581 05E

28 key ingredients, including antioxidants

Store in a dry place and avoid excessive heat.

100% quality guaranteed throughout shelf life

Product Details

UPC / SKU 3 01220 07584 8

DSLD Entry Date 2011-12-23

Product Type Other Combinations

Form Tablet or Pill

Brand Rexall

DSLD ID 3184

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 →