10 Best Antioxidant Nutritional Supplements of 2025

Last updated on 09/07/2025
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1
9.7
Exceptional
Astaxanthin 12mg, 120 Softgels, 4 Month Supply | Premium Astaxanthin Antioxidant Supplements | Fresh Microalgae Source | Supports Eye, Joint, Internal Circulation, Skin Health & Natural Tanning
Micro Ingredients
Astaxanthin 12mg, 120 Softgels, 4 Month Supply | Premium Astaxanthin Antioxidant Supplements | Fresh Microalgae Source | Supports Eye, Joint, Internal Circulation, Skin Health & Natural Tanning
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Why We Love It
  • High potency for daily health.
  • Supports eye and joint health.
  • Premium quality with pure ingredients.
Main Highlights
  • Astaxanthin, often hailed as the king of antioxidants, is 6,000 times stronger than vitamin C. These softgels are not only easy to swallow but are also rich in naturally occurring antioxidants and carotenoids.
  • Taking Astaxanthin daily may support eye health, joint health, and internal circulation. It also aids physical activity performance, offering a natural and effective way to maintain your wellbeing.
  • Sourced from fresh microalgae, specifically Haematococcus Pulvialis, this green microalga retains a rich source of natural astaxanthin for maximized benefits.
  • Premium non-GMO Astaxanthin supplement. Made without soy, dairy, gluten, preservatives, flavors, and tree nuts. Ingredients must pass our 3rd party lab tests to ensure a product that is safe, pure, and potent.
9.7
Exceptional
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Best Value
2
9.5
Superb
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Sports Research Triple Strength Astaxanthin 12mg with Organic Coconut Oil - Antioxidant Supplement, Non-GMO Verified & Gluten Free - 60 Softgels
Sports Research
Sports Research Triple Strength Astaxanthin 12mg with Organic Coconut Oil - Antioxidant Supplement, Non-GMO Verified & Gluten Free - 60 Softgels
7% OffFree Shipping
Why We Love It
  • Supports antioxidant activity effectively.
  • Promotes skin and eye health.
  • Sustainably sourced and trusted.
Main Highlights
  • ANTIOXIDANT ACTIVITY: Gain quality wellness support with Astaxanthin—a natural carotenoid to support antioxidant activity* Made with Astalif, a pure, concentrated source of Icelandic algae, this is among the most potent formulas available
  • SKIN AND EYE HEALTH SUPPORT: One daily 12 mg capsule—cold-pressed with organic coconut oil for a superior experience—supports your best cellular, skin, and eye health*
  • SUSTAINABLY SOURCED: Manufactured in the USA with third-party tested ingredients you can trust, from our family to yours. Our astaxanthin is sustainably sourced and produced using clean geothermal energy practices, reducing energy consumption by 50%
  • PREMIUM QUALITY: Sports Research is proud to offer products using only the best ingredients available so you can have total peace of mind in the supplements you are taking. Our vibrantly colored carotenoid astaxanthin supplement is IGEN non-GMO verified and free of soy and gluten
  • THE SPORTS RESEARCH DIFFERENCE: Founded in Southern California in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life through research-backed products created for every body—inside and out
9.5
Superb
Save 7%
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3
9.4
Superb
Pure Encapsulations AntiOxidant Formula | Broad Spectrum Antioxidant Support | 120 Capsules
Pure Encapsulations
Pure Encapsulations AntiOxidant Formula | Broad Spectrum Antioxidant Support | 120 Capsules
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Why We Love It
  • Supports cellular health effectively.
  • Packed with essential nutrients.
  • Pure ingredients for optimal quality.
Main Highlights
  • Cellular Health: AntiOxidant Formula is a supplement that is designed to help support cells.*
  • Essential Vitamins/Minerals: Made with essential vitamins and minerals such as vitamin A, E, and B complex vitamins
  • Broad Spectrum Antioxidant Support: Recent research points to the fact that a synergistic combination of antioxidants is more effective than the total effect of each antioxidant taken alone.*
  • Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
  • Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are free from wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.
9.4
Superb
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4
9.3
Superb
Qunol Ubiquinol CoQ10 200mg Softgels, Powerful Antioxidant for Heart and Vascular Health, Essential for Energy Production, Natural Supplement Active Form of CoQ10, 60ct Softgels
Qunol
Qunol Ubiquinol CoQ10 200mg Softgels, Powerful Antioxidant for Heart and Vascular Health, Essential for Energy Production, Natural Supplement Active Form of CoQ10, 60ct Softgels
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Why We Love It
  • Supports heart and vascular health.
  • Boosts energy production naturally.
  • Acts as a powerful antioxidant.
Main Highlights
  • UBIQUINOL:THE ACTIVE FORM OF COQ10: Studies show that when we are young, our bodies synthesize CoQ10 well. But as we get older, the body's ability to convert CoQ10 to Ubiquinol diminishes. As we age, CoQ10 supplements may become less effective
  • POWERFUL ANTIOXIDANT: Ubiquinol is the activated, antioxidant form of CoQ10 that helps neutralize excess free radicals and helps protect cells against damage
  • QUNOL UBIQUINOL FOR HEART HEALTH: Ubiquinol helps support heart and vascular health because it plays a role in producing the energy needed by our hearts
  • ESSENTIAL FOR ENERGY PRODUCTION: Ubiquinol is a natural coenzyme that plays an important role in the production of 95% of the energy used by organs. Ubiquinol levels may drop due to age, stress, and medications
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
9.3
Superb
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5
9.1
Superb
Save 48%
NOW Supplements, Super Antioxidants with Herbal Extracts and a Broad Spectrum of Flavonoids for Immune Support, 120 Veg Capsules
NOW Foods
NOW Supplements, Super Antioxidants with Herbal Extracts and a Broad Spectrum of Flavonoids for Immune Support, 120 Veg Capsules
48% OffFree Shipping
Why We Love It
  • Natural herbal extracts blend.
  • Vegan and soy-free formula.
  • Quality GMP assured product.
Main Highlights
  • PHYTOFLAVONOID FORMULA: Including green tea extract, milk thistle extract, turmeric root extract, quercetin, bromelain extract, rosemary, grape seed extract, ginkgo biloba extract, ginger root, hawthorn extract, cranberry powder, and bilberry extract.
  • VEGAN, COMPREHENSIVE BLEND: Filled with herbal extracts and helps to maintain optimal health.
  • CLASSIFICATIONS/CERTIFICATIONS: Vegan/Vegetarian, Quality GMP Assured, Soy Free, Sugar Free, Nut Free, Dairy Free, Egg Free, Corn Free, Low Sodium, Made Without Gluten
  • A Dietary Supplement
  • Vegetarian / Vegan
9.1
Superb
Save 48%
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6
8.9
Excellent
Save 17%
Qunol CoQ10 100mg Softgels, Ultra CoQ10 100mg, 3x Better Absorption, Antioxidant for Heart Health & Energy Production, Coenzyme Q10 Vitamins and Supplements, 4 Month Supply, 120 Count
Qunol
Qunol CoQ10 100mg Softgels, Ultra CoQ10 100mg, 3x Better Absorption, Antioxidant for Heart Health & Energy Production, Coenzyme Q10 Vitamins and Supplements, 4 Month Supply, 120 Count
17% OffFree Shipping
Why We Love It
  • Superior absorption for optimal benefits.
  • Clinically proven effective formula.
  • Essential for energy production.
Main Highlights
  • 3X BETTER ABSORPTION THAN REGULAR CoQ10: Clinical trials have proven that no other CoQ10 supplement absorbs better than Qunol. In fact, Qunol Ultra absorbs 3X better than regular CoQ10
  • #1 CARDIOLOGIST RECOMMENDED FORM OF COQ10: With superior absorption compared to regular CoQ10, Qunol 100mg CoQ10 softgel capsules can help you reach optimal levels of Coenzyme Q10 sooner, so you can experience the potential benefits faster
  • 100% WATER AND FAT-SOLUBLE: Qunol CoQ10's patented formulation is 100% water and fat-soluble, unlike regular CoQ10 that does not dissolve in water and dissolves very poorly in fat
  • ESSENTIAL FOR ENERGY PRODUCTION: CoQ10 plays a vital role in the production of energy in the body. Taking a CoQ10 supplement helps increase natural CoQ10 levels that can be depleted by age and medications
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
8.9
Excellent
Save 17%
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7
8.7
Excellent
Qunol Ultra CoQ10 100mg Softgels- 3x Better Absorption, Antioxidant for Heart Health & Energy Production, Coenzyme Q10 Vitamins and Supplements, 3 Month Supply, 90 Count
Qunol
Qunol Ultra CoQ10 100mg Softgels- 3x Better Absorption, Antioxidant for Heart Health & Energy Production, Coenzyme Q10 Vitamins and Supplements, 3 Month Supply, 90 Count
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Why We Love It
  • Three Times Better Absorption.
  • Cardiologist Recommended Supplement.
  • Supports Energy Production.
Main Highlights
  • 3X BETTER ABSORPTION THAN REGULAR CoQ10: Clinical trials have proven that no other CoQ10 supplement absorbs better than Qunol. In fact, Qunol Ultra absorbs 3X better than regular CoQ10
  • #1 CARDIOLOGIST RECOMMENDED FORM OF COQ10: With superior absorption compared to regular CoQ10, Qunol 100mg CoQ10 softgel capsules can help you reach optimal levels of Coenzyme Q10 sooner, so you can experience the potential benefits faster
  • 100% WATER AND FAT-SOLUBLE: Qunol CoQ10's patented formulation is 100% water and fat-soluble, unlike regular CoQ10 that does not dissolve in water and dissolves very poorly in fat
  • ESSENTIAL FOR ENERGY PRODUCTION: CoQ10 plays a vital role in the production of energy in the body. Taking a CoQ10 supplement helps increase natural CoQ10 levels that can be depleted by age and medications
  • BENEFICIAL TO STATIN USERS: Statin medications have been shown to lower CoQ10 levels and the addition of a CoQ10 supplement to statin drug therapy can help replenish lost CoQ10
8.7
Excellent
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8
8.7
Excellent
Save 6%
Puritan's Pride Premium Super Synergistic Antioxidant Formula, Dietary Supplement to Help Fight Premature Aging*, Vitamins A, C, E, and Selenium Mineral, 3 Month Supply, 100 Rapid Release Softgels
Puritan's Pride
Puritan's Pride Premium Super Synergistic Antioxidant Formula, Dietary Supplement to Help Fight Premature Aging*, Vitamins A, C, E, and Selenium Mineral, 3 Month Supply, 100 Rapid Release Softgels
6% Off
Why We Love It
  • High-quality since 1973.
  • Supports immune health.
  • Three-month supply.
Main Highlights
  • POWERFUL ANTIOXIDANT PROTECTION: Puritan’s Pride Super Antioxidant Formula is expertly crafted with key nutrients to help combat free radicals, helping defend your body against oxidative stress and promote overall wellness*
  • FIGHTS PREMATURE AGING: Assist in protecting your body from free radicals caused by environmental factors like car exhaust, pollution, and smoking, which can accelerate the cellular aging process*
  • ESSENTIAL NUTRITION FOR DEFENSE: Enriched with a powerful blend of vitamins A, C, and E, along with Selenium, this formula works to assist in neutralizing free radicals and support cellular health*
  • IMMUNE HEALTH SUPPORT: Packed with immune health vitamins A, C, and the mineral Selenium, this supplement helps support your immune system for everyday health*
  • AGE BOLDLY WITH PRIDE: For over 50 years, Puritan’s Pride has delivered premium-quality supplements at exceptional value—empowering you to prioritize health, vitality, and confidence at every stage of life. Live boldly with Puritan's Pride*
8.7
Excellent
Save 6%
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9
8.7
Excellent
Qunol CoQ10 200mg Softgels, Ultra CoQ10 - Ultra High Absorption Coenzyme Q10 Supplements - Antioxidant Supplement for Vascular and Heart Health & Energy Production - 2 Month Supply - 60 Count
Qunol
Qunol CoQ10 200mg Softgels, Ultra CoQ10 - Ultra High Absorption Coenzyme Q10 Supplements - Antioxidant Supplement for Vascular and Heart Health & Energy Production - 2 Month Supply - 60 Count
Free Shipping
Why We Love It
  • Superior absorption for quick results.
  • Recommended by top cardiologists.
  • Supports statin users' CoQ10 levels.
Main Highlights
  • Ultra High Absorption - Clinical trials have proven that no other CoQ10 supplement absorbs better than Qunol. Qunol CoQ10's patented formulation is 100% water and fat-soluble, unlike regular CoQ10 that does not dissolve in water and dissolves very poorly in fat
  • #1 Cardiologist Recommended Form of CoQ10 - With superior absorption compared to regular CoQ10, Qunol 200mg CoQ10 softgels can help you reach optimal levels of Coenzyme Q10 sooner, so you can experience the potential benefits faster.
  • Beneficial to Statin Drug Users - Statin medications have been shown to lower CoQ10 levels and the addition of a CoQ10 supplement to statin drug therapy can help replenish lost CoQ10
  • Essential for Energy Production - CoQ10 plays a vital role in the production of energy in the body. Taking a CoQ10 supplement helps increase natural CoQ10 levels that can be depleted by age and cholesterol-lowering statin medications
  • Satisfaction Guaranteed - We’re proud of our products; If you are not 100% satisfied with your product, Qunol will fully refund your purchase at 1-877-290-2621
8.7
Excellent
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10
8.7
Excellent
Save 36%
ZOROAHER 1000mg High-Potency NAD+ Liquid Supplement, Nicotinamide Riboside & Resveratrol with PQQ, Boosts Cellular Energy, Focus & Healthy Aging - 1 Pc
ZOROAHER
ZOROAHER 1000mg High-Potency NAD+ Liquid Supplement, Nicotinamide Riboside & Resveratrol with PQQ, Boosts Cellular Energy, Focus & Healthy Aging - 1 Pc
36% OffFree Shipping
Why We Love It
  • Boosts energy and fights aging.
  • Promotes DNA repair for youthfulness.
  • Innovative liquid for better absorption.
Main Highlights
  • ✅ Powerful NAD+ Formula - Boost your energy and fight aging with our Premium NAD+ Liquid. Each serving delivers NAD Liquid 1000mg Featuring nicotinamide riboside, trans-resveratrol, Quercetin, and PQQ to support cellular energy, promote healthy aging.
  • ✅Anti-Aging Support for Men & Women - Specially formulated for both men and women, Our NAD+ promotes DNA repair —perfect for anyone seeking to stay sharp, energized, and youthful.
  • ✅ Science-Backed Ingredients - Crafted with high-purity nicotinamide riboside, resveratrol, quercetin phytosome, and PQQ—all backed by the latest scientific research.
  • ✅ Liquid Formula for Maximum Absorption - Why settle for capsules? Our innovative liquid delivery system ensures superior bioavailability, helping your body absorb and use NAD+ faster and more efficiently—for sustained energy, glowing skin, and enhanced wellness.
  • ✅ Pure, Clean & Trusted Quality - Made with 100% Natural, NON-GMO, and Gluten-Free ingredients. Every Packet is scientifically formulated and quality-tested, ensuring safe, effective support for your health.
8.7
Excellent
Save 36%
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