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.
Take one capsule daily with food or as directed by a healthcare practitioner. Consult a healthcare practitioner for use beyond 12 weeks.
I take this every day to keep from getting sick. It works great!
L
Liisa N.
C Extra
Great results and easy to take.
H
Heinz
Product was recommended by a friend who is a pharmacist. I have been using this
Product was recommended by a friend who is a pharmacist. I have been using this product for 3 years and it really helps with my seasonal allergies.
J
Jeanne
This product is a natural supplement that is meant to provide extra support for
This product is a natural supplement that is meant to provide extra support for the immune system. It contains quercetin and bioflavonoids, which are plant-based nutrients known to have antioxidant and anti-inflammatory effects. The product comes in capsules, and each one contains 500 mg of quercetin and 250 mg of bioflavon