Natural Factors
Natural Factors C Extra 500 mg + Quercetin Bioflavonoids 250 mg (Capsules)
Enhanced Vitamin C with quercetin for superior immune support
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Why Choose This Product
IMMUNE SUPPORT
Combines vitamin C with quercetin bioflavonoids in a research-backed 2:1 ratio for enhanced immune function support.
ENHANCED ABSORPTION
Quercetin bioflavonoids help your body absorb and utilize vitamin C more effectively than standard vitamin C alone.
COLLAGEN SUPPORT
Provides the vitamin C your body needs for healthy collagen formation in bones, cartilage, teeth, and gums.
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How It Works
How It Works
Vitamin C supports your immune system while helping form collagen for healthy connective tissues. Quercetin bioflavonoids enhance vitamin C absorption and activity in your body, making this combination more effective than vitamin C alone.
Who It's For
Adults looking for immune support with enhanced absorption. Anyone wanting the collagen-supporting benefits of vitamin C. People who prefer the convenience of once-daily capsules over multiple doses.
Who It's Not For
Not suitable for children without healthcare practitioner guidance. Those with known sensitivities to citrus bioflavonoids should consult their healthcare provider first.
About This Product
What It Does
This natural health product delivers immune support with enhanced vitamin C absorption through quercetin bioflavonoids. The 2:1 ratio of vitamin C to quercetin helps your body make better use of every dose while supporting healthy collagen formation.
Why It Works
- ENHANCED BIOAVAILABILITY: Quercetin bioflavonoids help your body absorb and utilize vitamin C more effectively than standard vitamin C supplements.
- ANTIOXIDANT PROTECTION: Both vitamin C and quercetin provide antioxidant activity to help protect against free radical damage.
- COLLAGEN FORMATION: Supports your body's natural collagen production for healthy bones, cartilage, teeth, and gums.
- NUTRIENT METABOLISM: Helps your body properly metabolize nutrients for optimal health maintenance.
What's Inside
Each capsule contains 500 mg vitamin C and 250 mg quercetin bioflavonoids in the research-supported 2:1 ratio. Clean formula with no unnecessary additives. Made in Canada by Natural Factors.
Why we carry it: Natural Factors uses the specific vitamin C to quercetin ratio that clinical research shows works synergistically for maximum benefit.
How to Take
Full Ingredients
Customer Reviews
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Questions & Answers
Research & Science
Explore the dropdown below to view peer-reviewed literature related to Natural Factors C Extra 500 mg + Quercetin Bioflavonoids 250 mg (Capsules)
