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Mega Antioxidant

product on market Tablet or Pill USANA CellSentials Safety: 99/100
99/100

This product looks safe

  • Folate: 555mg is 555.0× the Tolerable Upper Intake Level (1.0mg)
  • 77% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains vitamins A, C, D3, E, and thiamine, which are supported by strong evidence for their roles in antioxidant defense and cellular function. These nutrients help protect cells from oxidative stress and support immune health. The profile maintains a high safety score, indicating a low risk of adverse effects.

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

Alerts

Safety Alerts

Folate: 555mg is 555.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Mega Antioxidant
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
84
Servings
Other Combinations
Product Type
77%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
1500 mcg RAE (167% DV)
Vitamin C
433 mg (481% DV)
5 mcg (25% DV)
Within RDA (0.3× RDA) 608 studies (A:16, B:251)
89 mg (593% DV)
5.9× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
9 mg (750% DV)
7.5× RDA — above typical dose 76 studies (A:0, B:33)
9 mg (692% DV)
6.9× RDA — above typical dose 13 studies (A:0, B:1)
13 mg NE (81% DV)
Within RDA (0.9× RDA) 196 studies (A:5, B:63)
11 mg (647% DV)
8.5× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
555 mcg DFE (139% DV)
Exceeds UL by 555.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
67 mcg (2792% DV)
27.9× RDA — above typical dose 139 studies (A:1, B:44)
100 mcg (333% DV)
3.3× RDA — above typical dose 27 studies (A:0, B:11)
30 mg (600% DV)
6.0× RDA — above typical dose 2 studies — no high-quality reviews
14 mg (3% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
Olivol
10 mg
Within RDA (0.7× RDA) 179 studies (A:3, B:90)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
50 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
N-Acetyl L-Cysteine
33 mg
Market median: 100.0mg (283 products) 144 studies (A:1, B:64)
Market median: 450.0mg (254 products) 243 studies (A:0, B:100)
200 mcg
Market median: 10.0mg (105 products) 2 studies (A:0, B:1)
333 mcg
Market median: 10.0mg (35 products) 6 studies (A:0, B:2)

Other Ingredients

Microcrystalline Cellulose pregelatinized Starch Croscarmellose Sodium Ascorbyl Palmitate Dextrin Alpha-Lipoic Acid Silicon Dioxide Dextrose Soy Lecithin Sodium Carboxymethylcellulose Sodium Citrate
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Directions: Take one (1) tablet three times daily, preferably with food.

Warnings & Precautions

Contains: Soy.

Keep out of reach of children.

Consult your physician if you are pregnant, nursing, taking a prescription drug, or have a medical condition.

There is a safety seal under the cap. Do not use if the seal is broken or missing.

Formulation Notes

Laboratory tested, quality guaranteed. Meets USP specification for uniformity, potency, and disintegration, where applicable.

OK

Olivol

Additional Information

Potency Guaranteed

Store below 25 degrees C

OK

Metadata

Product Details

DSLD Entry Date2019-12-22
Product TypeOther Combinations
FormTablet or Pill
BrandUSANA CellSentials
DSLD ID211631
Data Updated2026-04-11
Research

Research Evidence

337
Research Sources
54
Avg Quality
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
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
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
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
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
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 →
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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.