Antioxidant by 21st Century — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
50% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size

75 Servings

Multi-Vitamin and Mineral (MVM) Product Type

50% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

1500 mcg (167% DV)

Vitamin C

250 mg (278% DV)

Vitamin E

90 mg (600% DV)

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

RDA 15mg This product: 90mg UL 1000mg

Calcium

100 mg (8% DV)

Zinc

7.5 mg (68% 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

15 mcg (27% DV)

✅ Within RDA (0.3× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.015mg UL 0.4mg

Copper

1 mg (111% DV)

✅ 1.1× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 1mg UL 10mg

Manganese

1.5 mg (65% DV)

✅ Within RDA (0.7× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 1.5mg UL 11mg

Other Ingredients

Gelatin Cellulose Croscarmellose Sodium Glucose Maltodextrin FD&C Blue #2 Carmine FD&C Red #40 Magnesium Silicate Magnesium Stearate Polyethylene Glycol Silicon Dioxide Starch Stearic Acid Titanium Dioxide

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) Gluten Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage. Individual results may vary.

⚠️ Warnings & Precautions

Do not exceed recommended dosage.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

🧪 Formulation Notes

No added yeast, preservatives or artificial flavors.

Antioxidant support

Gluten free

Vitamins A, C and E combined with the essential minerals selenium, zinc, copper and manganese for a comprehensive antioxidant formula.

Additional Information

Store at room temperature.

Guaranteed Quality Laboratory Tested

Product Details

UPC / SKU 7 40985 22667 4

DSLD Entry Date 2025-03-25

Product Type Multi-Vitamin and Mineral (MVM)

Form Tablet or Pill

Brand 21st Century

DSLD ID 326308

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 →