The Ultimate Antioxidant
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| N-Acetyl-L-Cysteine | 200 mg | † |
| Alpha-Lipoic Acid | 100 mg | † |
| Grape seed Phytosome extract (as Vitis vinifera) | 50 mg | † |
| Green Tea Phytosome extract (as Camellia sinensis) | 50 mg | † |
| Turmeric extract (as Curcumin) | 50 mg | † |
| Lutein (as Marigold) | 3 mg | † |
| Zeaxanthin (as Marigold) | 120 mcg | † |
| Lycopene (as Tomato) | 3 mg | † |
| Rosemary extract (as Carnosic Acid) | 15 mg | † |
| Broccoli | 200 mg | † |
Bioavailability Excellent
Absorption Rating
- N-Acetyl-L-Cysteine Good
- Alpha-Lipoic Acid Fair
- Grape seed Phytosome extract (as Vitis vinifera) Fair
- Green Tea Phytosome extract (as Camellia sinensis) Good
- Turmeric extract (as Curcumin) Good
- Lutein (as Marigold) Good
- Zeaxanthin (as Marigold) Good
- Lycopene (as Tomato) Good
- Rosemary extract (as Carnosic Acid) Good
- Broccoli Good
Other Ingredients Excellent
Fillers & Additives
- Rice Powder
- Gelatin Capsule
- Magnesium Stearate
- Silica
Efficacy Very Poor
Dosage Analysis
- N-Acetyl-L-Cysteine 200 mg Under-dosed
- Alpha-Lipoic Acid 100 mg Under-dosed
- Green Tea Phytosome extract (as Camellia sinensis) 50 mg Under-dosed
- Turmeric extract (as Curcumin) 50 mg Under-dosed
- Lutein (as Marigold) 3 mg Under-dosed
- Zeaxanthin (as Marigold) 120 mcg Under-dosed
- Lycopene (as Tomato) 3 mg Under-dosed
- Rosemary extract (as Carnosic Acid) 15 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| N-Acetyl-L-Cysteine | 200 mg | † |
| Alpha-Lipoic Acid | 100 mg | † |
| Grape seed Phytosome extract (as Vitis vinifera) | 50 mg | † |
| Green Tea Phytosome extract (as Camellia sinensis) | 50 mg | † |
| Turmeric extract (as Curcumin) | 50 mg | † |
| Lutein (as Marigold) | 3 mg | † |
| Zeaxanthin (as Marigold) | 120 mcg | † |
| Lycopene (as Tomato) | 3 mg | † |
| Rosemary extract (as Carnosic Acid) | 15 mg | † |
| Broccoli | 200 mg | † |
Other Ingredients
Price Comparison
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Certifications
5 certifications
Transparency
4 claims
Violation History
5 incidents
Is Natural Factors The Ultimate Antioxidant a good supplement?
Natural Factors The Ultimate Antioxidant received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 10 active ingredients with 30 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Natural Factors, holds a brand trust score of 88/100 with 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project.
What are the ingredients in Natural Factors The Ultimate Antioxidant?
Natural Factors The Ultimate Antioxidant contains 10 active ingredients: N-Acetyl-L-Cysteine (200 mg), Alpha-Lipoic Acid (100 mg), Grape seed Phytosome extract (as Vitis vinifera) (50 mg), Green Tea Phytosome extract (as Camellia sinensis) (50 mg), Turmeric extract (as Curcumin) (50 mg), Lutein (as Marigold) (3 mg), and 4 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Natural Factors The Ultimate Antioxidant safe to take?
Natural Factors The Ultimate Antioxidant has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is Natural Factors a trustworthy supplement brand?
Natural Factors receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1950 and headquartered in Coquitlam, British Columbia, Canada, the company offers 390 products in their lineup. They hold 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natural Factors has 5 historical regulatory incidents on record, which are factored into the trust score.
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