NOW Antioxidant Caps supplement bottle
NOW

Antioxidant Caps

What We Researched
10 active ingredients analyzed · 12 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
76
Product Score Fair
89
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as Beta-Carotene) 12880 IU 258%
Vitamin C (as Ascorbic Acid, Calcium Ascorbate) 255 mg 425%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 150 IU 500%
Calcium (as Calcium Ascorbate) 25 mg 3%
Zinc (as Zinc Monomethionine, Zinc Picolinate) 3 mg 20%
Selenium (as L-Selenomethionine) 14 mcg 20%
N-Acetyl Cysteine 50 mg †
L-Glutathione 12.5 mg †
Alfalfa juice concentrate 125 mg †
Wheat sprout concentrate 50 mg †
Bioavailability Very Good

Absorption Rating

  • Vitamin A (as Beta-Carotene) Fair
  • Vitamin C (as Ascorbic Acid, Calcium Ascorbate) Good
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) Good
  • Calcium (as Calcium Ascorbate) Good
  • Zinc (as Zinc Monomethionine, Zinc Picolinate) Good
  • Selenium (as L-Selenomethionine) Good
  • N-Acetyl Cysteine Good
  • L-Glutathione Fair
  • Alfalfa juice concentrate Fair
  • Wheat sprout concentrate Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Stearic Acid
  • Magnesium Stearate
  • Silica
  • Green Tea extract
  • Rosemary
  • Citrus Bioflavonoids
  • Bilberry Extract
  • Rutin
  • Cellulose
  • Riboflavin
  • Lutein
Efficacy Poor

Dosage Analysis

  • Vitamin A (as Beta-Carotene) 12880 IU Under-dosed
  • Vitamin C (as Ascorbic Acid, Calcium Ascorbate) 255 mg Effective
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) 150 IU Effective
  • Calcium (as Calcium Ascorbate) 25 mg Under-dosed
  • Zinc (as Zinc Monomethionine, Zinc Picolinate) 3 mg Under-dosed
  • Selenium (as L-Selenomethionine) 14 mcg Under-dosed
  • N-Acetyl Cysteine 50 mg Under-dosed
  • L-Glutathione 12.5 mg Under-dosed
  • Alfalfa juice concentrate 125 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as Beta-Carotene) 12880 IU 258%
Vitamin C (as Ascorbic Acid, Calcium Ascorbate) 255 mg 425%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 150 IU 500%
Calcium (as Calcium Ascorbate) 25 mg 3%
Zinc (as Zinc Monomethionine, Zinc Picolinate) 3 mg 20%
Selenium (as L-Selenomethionine) 14 mcg 20%
N-Acetyl Cysteine 50 mg †
L-Glutathione 12.5 mg †
Alfalfa juice concentrate 125 mg †
Wheat sprout concentrate 50 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Green Tea extract Unknown
Rosemary Unknown
Citrus Bioflavonoids Generally_safe

They are included for their antioxidant properties and potential health benefits.

Bilberry Extract Generally_safe

It is added for its antioxidant properties and potential health benefits.

Rutin Generally_safe

It is used for its potential antioxidant and anti-inflammatory properties.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Riboflavin Safe

It is used as a source of vitamin B2.

Lutein Safe

It is added for its antioxidant properties and potential benefits for eye health.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NOW

Founded 1968 · Bloomingdale, Illinois, USA · 53 products · nowfoods.com

Certifications

5 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source
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Frequently Asked Questions
Is NOW Antioxidant Caps a good supplement?

NOW Antioxidant Caps received a product quality score of 76/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 10 active ingredients Of the 12 inactive ingredients, 7 are rated safe and 0 are flagged for review. The manufacturer, NOW, holds a brand trust score of 89/100 with 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in NOW Antioxidant Caps?

NOW Antioxidant Caps contains 10 active ingredients: Vitamin A (as Beta-Carotene) (12880 IU), Vitamin C (as Ascorbic Acid, Calcium Ascorbate) (255 mg), Vitamin E (as D-Alpha-Tocopheryl Succinate) (150 IU), Calcium (as Calcium Ascorbate) (25 mg), Zinc (as Zinc Monomethionine, Zinc Picolinate) (3 mg), Selenium (as L-Selenomethionine) (14 mcg), and 4 more. Notable high-dose ingredients include Vitamin A at 258% DV, Vitamin C at 425% DV, Vitamin E at 500% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Antioxidant Caps safe to take?

NOW Antioxidant Caps has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NOW a trustworthy supplement brand?

NOW receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 53 products in their lineup. They hold 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.