C Extra 500 mg Plus 250 mg Bioflavonoids
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin C (as Ascorbic Acid) | 500 mg | 830% |
| Citrus Bioflavonoids | 250 mg | † |
| Rutin | 50 mg | † |
| Rosehips | 25 mg | † |
| Hesperidin Bioflavonoids | 25 mg | † |
Bioavailability Good
Absorption Rating
- Vitamin C (as Ascorbic Acid) Fair
- Citrus Bioflavonoids Fair
- Rutin Fair
- Rosehips Fair
- Hesperidin Bioflavonoids Good
Other Ingredients Excellent
Fillers & Additives
- Gelatin Capsule
- Magnesium Stearate
Efficacy Poor
Dosage Analysis
- Vitamin C (as Ascorbic Acid) 500 mg Effective
- Citrus Bioflavonoids 250 mg Under-dosed
- Rutin 50 mg Under-dosed
- Rosehips 25 mg Under-dosed
- Hesperidin Bioflavonoids 25 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin C (as Ascorbic Acid) | 500 mg | 830% |
| Citrus Bioflavonoids | 250 mg | † |
| Rutin | 50 mg | † |
| Rosehips | 25 mg | † |
| Hesperidin Bioflavonoids | 25 mg | † |
Other Ingredients
Gelatin Capsule Safe
Magnesium Stearate Safe
Price Comparison
Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.
Certifications
5 certifications
Transparency
4 claims
Violation History
5 incidents
Is Natural Factors C Extra 500 mg Plus 250 mg Bioflavonoids a good supplement?
Natural Factors C Extra 500 mg Plus 250 mg Bioflavonoids received a product quality score of 70/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 5 active ingredients All 2 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 C Extra 500 mg Plus 250 mg Bioflavonoids?
Natural Factors C Extra 500 mg Plus 250 mg Bioflavonoids contains 5 active ingredients: Vitamin C (as Ascorbic Acid) (500 mg), Citrus Bioflavonoids (250 mg), Rutin (50 mg), Rosehips (25 mg), Hesperidin Bioflavonoids (25 mg). Notable high-dose ingredients include Vitamin C at 830% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Natural Factors C Extra 500 mg Plus 250 mg Bioflavonoids safe to take?
Natural Factors C Extra 500 mg Plus 250 mg Bioflavonoids has been analyzed for ingredient safety across all its components. All 2 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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