Ranked by evidence
Best Antioxidants Supplements
The 10 highest-scoring antioxidants supplements in Formulate's catalog, ranked by the same automated rubric we apply to every product: ingredient dose, bioavailable form, label transparency, safety, and third-party testing. No sponsorships, no pay-to-play.
Scored by the Formulate Research Team · Last reviewed May 2026
- 1
Nootropics DepotCoQH-CF SoftgelsBuy CoQH-CF Softgels from Nootropics Depot - Nootropics Depot is the #1 most trusted source for the best Ubiquinol supplements such as CoQH-CF Softgels by Soft Gel, Inc. See Uni…
98A - 2
ThorneQuercetin PhytosomeGive your immune system an advantage with the optimized, plant-based antioxidant support of quercetin* As a powerhouse antioxidant, Quercetin Phytosome benefits an optimized imm…
94A - 3
Nootropics DepotApigenin CapsulesApigenin - The Key to Sleep, Relaxation and Cognitive Function
93A - 4
Nootropics DepotApigenin PowderApigenin - The Key to Sleep, Relaxation and Cognitive Function
93A - 5
ThornePolyResveratrol-SR®A unique blend of antioxidant nutrients for supporting healthy aging and a normal inflammatory response* PolyResveratrol-SR contains a synergistic blend of five antioxidant nutr…
91A - 6
ThorneQuercetin ComplexA combination of quercetin phytosome and bromelain that provides support for allergy sufferers, enhances immune function, and helps reduce bruising and swelling* Quercetin Compl…
90A - 7
ThorneNACA potent antioxidant that supports comprehensive wellness, including liver, respiratory, kidney, and immune health* N-Acetylcysteine (NAC) is an amino acid that provides signifi…
89A - 8
ThorneAlpha-Lipoic AcidProtect nerves and other sensitive tissues from oxidative stress* Alpha-lipoic acid is a versatile antioxidant that supports liver detoxification, benefits nerve cells, and acts…
86A- - 9
ThorneCoQ10Support cardiovascular and neurological health, cellular energy production, and healthy aging with well-absorbed CoQ10* A proprietary form of CoQ10 – an essential nutrient for c…
86A- - 10
ThorneGlutathione-SRA sustained-release form of one of the body's most important antioxidant and detoxification factors* Glutathione-SR is a sustained-release form of glutathione that provides anti…
86A-
Frequently asked questions
What is the best antioxidants supplement?
Nootropics Depot CoQH-CF Softgels is Formulate's highest-scoring antioxidants supplement at 98/100 (grade A). Buy CoQH-CF Softgels from Nootropics Depot - Nootropics Depot is the #1 most trusted source for the best Ubiquinol supplements such as CoQH-CF Softgels by Soft Gel, Inc. See Uni…
How does Formulate rank antioxidants supplements?
Each product is scored 0–100 by an automated rubric covering evidence quality, dose accuracy, bioavailable form, label transparency, safety, and manufacturing. Rankings reflect the formula on the label — not advertising or sponsorships.
How many antioxidants supplements were compared?
This ranking shows the top 10 antioxidants products Formulate has scored. Browse the full catalog for every product and its breakdown.
Best supplements by category
How these are ranked
Every antioxidants product is scored on dose accuracy, ingredient form, certifications, transparency, and third-party testing — the same rubric across the whole catalog. See the methodology page for the full breakdown, or browse every supplement.
Educational only. Rankings reflect product formulation quality, not personalized medical advice. Talk to a qualified healthcare provider before starting a new supplement, especially if you take medication.