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Antioxidants

Antioxidant supplements built around polyphenols and related compounds: green tea extract, grape extract, quercetin, resveratrol, curcumin extract, alpha-lipoic acid (ALA) and glutathione, including liposomal and reduced glutathione forms. Most are capsules, with a handful of liquids and powders. Brands include Nutritional Fundamentals for Health (NFH), Vital Nutrients, Klaire Labs / SFI Health and Xymogen, alongside combination formulas such as bioflavonoid complexes and multi-ingredient antioxidant blends. Single-ingredient products list the standardized extract percentage on the supplement facts; blends list each component. Sorted by best-selling.

Related: Longevity & Aging, Liver Support, Vitamins, Minerals & Multivitamins.

Copper GHK+ Facial Serum with Cycloastragenol (30 mL Liquid)

Quicksilver Scientific
Original price $ 59.50 - Original price $ 59.50
Original price
$ 59.50
$ 59.50 - $ 59.50
Current price $ 59.50

Copper GHK+ Facial Serum with Cycloastragenol (30 mL Liquid) by Quicksilver Scientific is a topical product in pump form. Manufacturer Suggested U...

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Dihydroberberine SR

Endurance Product Company
Original price $ 49.99 - Original price $ 99.99
Original price
$ 49.99 - $ 99.99
$ 49.99 - $ 99.99
Current price $ 49.99

Dihydroberberine SR by Endurance Product Company is a dietary supplement in tablet form. Available in multiple sizes. Manufacturer Suggested Use: ...

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Curalieve

Integrative Therapeutics
Original price $ 66.25 - Original price $ 100.50
Original price
$ 66.25 - $ 100.50
$ 66.25 - $ 100.50
Current price $ 66.25

Curalieve by Integrative Therapeutics is a dietary supplement in capsule form. Available in multiple sizes. Manufacturer Suggested Use: Adults tak...

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Polyphenols (120 Capsules)

Codeage
Original price $ 34.99 - Original price $ 34.99
Original price
$ 34.99
$ 34.99 - $ 34.99
Current price $ 34.99

Polyphenols (120 Capsules) by Codeage is a dietary supplement in powder form. Manufacturer Suggested Use: Adults take 4 capsules daily, or as reco...

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EGCG SAP

Nutritional Fundamentals for Health (NFH)
Original price $ 64.20 - Original price $ 117.90
Original price
$ 64.20 - $ 117.90
$ 64.20 - $ 117.90
Current price $ 64.20

EGCG SAP by Nutritional Fundamentals for Health (NFH) is a dietary supplement in capsule form. Available in multiple sizes. Manufacturer Suggested...

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Alpha-Lipoic Acid (500 mg) (90 Capsules)

Klaire Labs - SFI Health
Original price $ 68.99 - Original price $ 68.99
Original price
$ 68.99
$ 68.99 - $ 68.99
Current price $ 68.99

Alpha-Lipoic Acid (500 mg) (90 Capsules) by Klaire Labs - SFI Health is a dietary supplement in capsule form. Manufacturer Suggested Use: Adults: ...

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Quercetin SAP (60 Capsules)

Nutritional Fundamentals for Health (NFH)
Original price $ 59.10 - Original price $ 59.10
Original price
$ 59.10
$ 59.10 - $ 59.10
Current price $ 59.10

Quercetin SAP (60 Capsules) by Nutritional Fundamentals for Health (NFH) is a dietary supplement in capsule form. Manufacturer Suggested Use: Adul...

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Resveratin Plus (60 Capsules)

Xymogen
Original price $ 105.99 - Original price $ 105.99
Original price
$ 105.99
$ 105.99 - $ 105.99
Current price $ 105.99

Resveratin Plus (60 Capsules) by Xymogen is a dietary supplement in capsule form. Manufacturer Suggested Use: Take one capsule twice daily, or as ...

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DIMension 3

Xymogen
Original price $ 64.99 - Original price $ 111.99
Original price
$ 64.99 - $ 111.99
$ 64.99 - $ 111.99
Current price $ 64.99

DIMension 3 by Xymogen is a dietary supplement in capsule form. Available in multiple variant sizes. Manufacturer Suggested Use: Take 2 capsules d...

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L-Glutathione (60 Capsules)

Ortho Molecular Products

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L-Glutathione (60 Capsules) by Ortho Molecular Products is a dietary supplement in capsule form. Manufacturer Suggested Use: 1 capsule per day or ...

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Oregano SAP (15 mL Liquid)

Nutritional Fundamentals for Health (NFH)
Original price $ 30.80 - Original price $ 30.80
Original price
$ 30.80
$ 30.80 - $ 30.80
Current price $ 30.80

Oregano SAP (15 mL Liquid) by Nutritional Fundamentals for Health (NFH) is a dietary supplement in liquid form. Manufacturer Suggested Use: Put 5 ...

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Curcumin Extract 700mg (60 Capsules)

Vital Nutrients
Original price $ 48.99 - Original price $ 48.99
Original price
$ 48.99
$ 48.99 - $ 48.99
Current price $ 48.99

Curcumin Extract 700mg (60 Capsules) by Vital Nutrients is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule twice ...

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QuerciSorb-SR (90 Capsules)

Tesseract Medical Research
Original price $ 48.00 - Original price $ 48.00
Original price
$ 48.00
$ 48.00 - $ 48.00
Current price $ 48.00

QuerciSorb-SR (90 Capsules) by Tesseract Medical Research is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1-2 Capsules t...

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ALA R+ SAP (90 Capsules)

Nutritional Fundamentals for Health (NFH)
Original price $ 94.30 - Original price $ 94.30
Original price
$ 94.30
$ 94.30 - $ 94.30
Current price $ 94.30

ALA R+ SAP (90 Capsules) by Nutritional Fundamentals for Health (NFH) is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 ...

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Astaxanthin Complex (60 Capsules)

Premier Research Labs
Original price $ 26.44 - Original price $ 26.44
Original price $ 26.44
$ 27.99
$ 27.99 - $ 27.99
Current price $ 27.99

Astaxanthin Complex (60 Capsules) by Premier Research Labs is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 2 capsules da...

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Anti-Ox SAP (120 Capsules)

Nutritional Fundamentals for Health (NFH)
Original price $ 74.50 - Original price $ 74.50
Original price
$ 74.50
$ 74.50 - $ 74.50
Current price $ 74.50

Anti-Ox SAP (120 Capsules) by Nutritional Fundamentals for Health (NFH) is a dietary supplement in capsule form. Manufacturer Suggested Use: Adult...

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Bioflavonoid Complex (with Quercetin) (120 Capsules)

Klaire Labs - SFI Health
Original price $ 30.99 - Original price $ 30.99
Original price
$ 30.99
$ 30.99 - $ 30.99
Current price $ 30.99

Bioflavonoid Complex (with Quercetin) (120 Capsules) by Klaire Labs - SFI Health is a dietary supplement in capsule form. Manufacturer Suggested U...

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Quercetin 20× Plus (60 Capsules)

Xymogen
Original price $ 29.99 - Original price $ 52.99
Original price
$ 29.99 - $ 52.99
$ 29.99 - $ 52.99
Current price $ 29.99

Quercetin 20× Plus (60 Capsules) by Xymogen is a dietary supplement in capsule form. Available in multiple sizes. Manufacturer Suggested Use: Take...

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I3C SAP (60 Capsules)

Nutritional Fundamentals for Health (NFH)
Original price $ 43.50 - Original price $ 43.50
Original price
$ 43.50
$ 43.50 - $ 43.50
Current price $ 43.50

I3C SAP (60 Capsules) by Nutritional Fundamentals for Health (NFH) is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1-3 c...

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MSM 1000 mg (240 Capsules)

Vital Nutrients
Original price $ 49.99 - Original price $ 49.99
Original price
$ 49.99
$ 49.99 - $ 49.99
Current price $ 49.99

MSM 1000 mg (240 Capsules) by Vital Nutrients is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule, twice daily, or...

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AntiOxidant Formula (120 Capsules)

Pure Encapsulations
Original price $ 67.00 - Original price $ 67.00
Original price
$ 67.00
$ 67.00 - $ 67.00
Current price $ 67.00

AntiOxidant Formula (120 Capsules) by Pure Encapsulations is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule, 1-2...

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Green Tea Extract (120 Capsules)

Vital Nutrients
Original price $ 58.99 - Original price $ 58.99
Original price
$ 58.99
$ 58.99 - $ 58.99
Current price $ 58.99

Green Tea Extract (120 Capsules) by Vital Nutrients is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 2 vegan capsules dai...

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ALA SAP (60 Capsules)

Nutritional Fundamentals for Health (NFH)
Original price $ 51.70 - Original price $ 51.70
Original price
$ 51.70
$ 51.70 - $ 51.70
Current price $ 51.70

ALA SAP (60 Capsules) by Nutritional Fundamentals for Health (NFH) is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 cap...

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Liposomal Sulforaphane (60 1 ml)

DaVinci Laboratories
Original price $ 45.06 - Original price $ 45.06
Original price
$ 45.06
$ 45.06 - $ 45.06
Current price $ 45.06

Liposomal Sulforaphane (60 1 ml) by DaVinci Laboratories is a dietary supplement in milliliter (ml) form. Manufacturer Suggested Use: As a dietary...

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Green Tea-70 (60 Capsules)

DaVinci Laboratories
Original price $ 50.10 - Original price $ 50.10
Original price
$ 50.10
$ 50.10 - $ 50.10
Current price $ 50.10

Green Tea-70 (60 Capsules) by DaVinci Laboratories is a dietary supplement in capsule form. Key Ingredients: Green Tea Extract. Manufacturer Sugg...

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QuerciSorb-QR (90 Capsules)

Tesseract Medical Research
Original price $ 48.00 - Original price $ 48.00
Original price
$ 48.00
$ 48.00 - $ 48.00
Current price $ 48.00

QuerciSorb-QR (90 Capsules) by Tesseract Medical Research is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1-2 Capsules t...

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Resveratrol (8 Fluid Ounces)

Premier Research Labs
Original price $ 63.30 - Original price $ 63.30
Original price $ 63.30
$ 65.99
$ 65.99 - $ 65.99
Current price $ 65.99

Resveratrol (8 Fluid Ounces) by Premier Research Labs is a dietary supplement in powder form. Manufacturer Suggested Use: Take 1 teaspoon in 1/2 c...

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Grape Seed SAP (60 Capsules)

Nutritional Fundamentals for Health (NFH)
Original price $ 43.50 - Original price $ 43.50
Original price
$ 43.50
$ 43.50 - $ 43.50
Current price $ 43.50

Grape Seed SAP (60 Capsules) by Nutritional Fundamentals for Health (NFH) is a dietary supplement in capsule form. Manufacturer Suggested Use: Tak...

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Ergo-Thione+ (100 mL)

Quicksilver Scientific
Original price $ 62.50 - Original price $ 62.50
Original price
$ 62.50
$ 62.50 - $ 62.50
Current price $ 62.50

Ergo-Thione+ (100 mL) by Quicksilver Scientific is a dietary supplement in powder form. Manufacturer Suggested Use: Take 1 teaspoon by mouth. Hold...

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Reduced L-Glutathione (150 mg) (100 Capsules)

Klaire Labs - SFI Health
Original price $ 56.99 - Original price $ 56.99
Original price
$ 56.99
$ 56.99 - $ 56.99
Current price $ 56.99

Reduced L-Glutathione (150 mg) (100 Capsules) by Klaire Labs - SFI Health is a dietary supplement in capsule form. Manufacturer Suggested Use: Ad...

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Green Tea Extract (60 Capsules)

Klaire Labs - SFI Health
Original price $ 32.99 - Original price $ 32.99
Original price
$ 32.99
$ 32.99 - $ 32.99
Current price $ 32.99

Green Tea Extract (60 Capsules) by Klaire Labs - SFI Health is a dietary supplement in capsule form. Manufacturer Suggested Use: Adults:  Take 1 c...

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Grape Seed Extract 100 mg (90 Capsules)

Vital Nutrients
Original price $ 35.99 - Original price $ 35.99
Original price
$ 35.99
$ 35.99 - $ 35.99
Current price $ 35.99

Grape Seed Extract 100 mg (90 Capsules) by Vital Nutrients is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 2 capsules, t...

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Liposomal Glutathione (30 Capsules)

Xymogen
Original price $ 42.99 - Original price $ 42.99
Original price
$ 42.99
$ 42.99 - $ 42.99
Current price $ 42.99

Liposomal Glutathione (30 Capsules) by Xymogen is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule 1-4 times daily...

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ImmunoRenew AI (60 Capsules)

Gaia PRO
Original price $ 45.00 - Original price $ 45.00
Original price
$ 45.00
$ 45.00 - $ 45.00
Current price $ 45.00

ImmunoRenew AI (60 Capsules) by Gaia PRO is a dietary supplement in capsule form. Manufacturer Suggested Use: Adults take 2 capsules every 2 hours...

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NAD+ Activate with Glutathione (60 Capsules)

DaVinci Laboratories
Original price $ 54.98 - Original price $ 54.98
Original price
$ 54.98
$ 54.98 - $ 54.98
Current price $ 54.98

NAD+ Activate with Glutathione (60 Capsules) by DaVinci Laboratories is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 2 c...

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Polyphenol Booster (60 Capsules)

Pendulum
Original price $ 41.99 - Original price $ 41.99
Original price
$ 41.99
$ 41.99 - $ 41.99
Current price $ 41.99

Polyphenol Booster (60 Capsules) by Pendulum is a dietary supplement in capsule form. Manufacturer Suggested Use: Adults take 2 capsules daily. I...

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Green Tea Extract (120 Capsules)

Premier Research Labs
Original price $ 28.74 - Original price $ 28.74
Original price $ 28.74
$ 32.99
$ 32.99 - $ 32.99
Current price $ 32.99

Green Tea Extract (120 Capsules) by Premier Research Labs is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 2 capsules, 2 ...

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Sync Up (60 1 ml)

DaVinci Laboratories
Original price $ 45.06 - Original price $ 45.06
Original price
$ 45.06
$ 45.06 - $ 45.06
Current price $ 45.06

Sync Up (60 1 ml) by DaVinci Laboratories is a dietary supplement in milliliter (ml) form. Manufacturer Suggested Use: As a dietary supplement, ch...

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Spectra Reds (11.5 Ounce Powder)

DaVinci Laboratories
Original price $ 63.96 - Original price $ 63.96
Original price
$ 63.96
$ 63.96 - $ 63.96
Current price $ 63.96

Spectra Reds (11.5 Ounce Powder) by DaVinci Laboratories is a dietary supplement in powder form. Manufacturer Suggested Use: As a dietary suppleme...

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Resveratrol-50 (120 Capsules)

DaVinci Laboratories
Original price $ 51.78 - Original price $ 51.78
Original price
$ 51.78
$ 51.78 - $ 51.78
Current price $ 51.78

Resveratrol-50 (120 Capsules) by DaVinci Laboratories is a dietary supplement in capsule form. Manufacturer Suggested Use: As a dietary supplement...

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Resveragen (60 Capsules)

Klaire Labs - SFI Health
Original price $ 57.99 - Original price $ 57.99
Original price
$ 57.99
$ 57.99 - $ 57.99
Current price $ 57.99

Resveragen (60 Capsules) by Klaire Labs - SFI Health is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule, 1 to 2 t...

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Pycnogenol (60 Capsules)

Klaire Labs - SFI Health
Original price $ 58.99 - Original price $ 58.99
Original price
$ 58.99
$ 58.99 - $ 58.99
Current price $ 58.99

Pycnogenol (60 Capsules) by Klaire Labs - SFI Health is a dietary supplement in capsule form. Manufacturer Suggested Use: Adults: 1 capsule, 1 to ...

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Herbal Biotic

Vital Nutrients
Original price $ 27.99 - Original price $ 50.99
Original price
$ 27.99 - $ 50.99
$ 27.99 - $ 50.99
Current price $ 27.99

Herbal Biotic by Vital Nutrients is a dietary supplement in capsule form. Available in multiple sizes. Manufacturer Suggested Use: Take 2 capsules...

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Glutathione 400 mg (100 Capsules)

Vital Nutrients
Original price $ 82.99 - Original price $ 82.99
Original price
$ 82.99
$ 82.99 - $ 82.99
Current price $ 82.99

Glutathione 400 mg (100 Capsules) by Vital Nutrients is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 2 capsules, twice d...

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Oraxinol (60 Capsules)

Xymogen
Original price $ 49.99 - Original price $ 49.99
Original price
$ 49.99
$ 49.99 - $ 49.99
Current price $ 49.99

Oraxinol (60 Capsules) by Xymogen is a dietary supplement in capsule form.