Natural Factors
C Extra + Quercetin - 60 Caps
C Extra + Quercetin - 60 Caps
Key Benefits
Key Benefits
- Supports immune system function
- Contains antioxidants to help protect cells from oxidative stress
- Contributes to collagen production for healthy connective tissues
- Aids in nutrient metabolism
- Convenient capsule form for daily use
- Supports immune system function
- Contains antioxidants to help protect cells from oxidative stress
- Contributes to collagen production for healthy connective tissues
- Aids in nutrient metabolism
- Convenient capsule form for daily use
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C Extra + Quercetin combines vitamin C with quercetin in convenient capsules to support overall wellness. Each capsule delivers 500 mg of vitamin C and 250 mg of quercetin.

Each capsule provides 500 mg of vitamin C along with 250 mg of quercetin, a bioflavonoid found naturally in various fruits and vegetables. Quercetin supports the activity of vitamin C and contributes to antioxidant protection.
Vitamin C plays a role in collagen formation, which is important for maintaining healthy bones, cartilage, teeth, and gums. Quercetin complements vitamin C by enhancing its absorption and supporting its function in the body.
This product is presented in an easy-to-swallow capsule format, suitable for those seeking to include these nutrients in their routine.
- Vitamin C (ascorbic acid) 500 mg
- Quercetin (bioflavonoids) 250 mg
Non-Medicinal Ingredients:
- Vegetarian capsule (carbohydrate gum [cellulose], purified water)
- Microcrystalline cellulose
- Vegetable grade magnesium stearate (lubricant)
- Stearic acid
- Silica
Important Information:
- Contains no preservatives, sweeteners, gluten, or GMOs
Take 1 capsule daily with food or as directed by a health care practitioner.
Keep out of reach of children.
Format: Capsules
Main Ingredient: Vitamin C and Quercetin
Package Size: 60 Capsules
Brand: Natural Factors
Category:
SKU: nf1360
Barcode: 0068958013985
Product Details
Product Type: SupplementsFormat: Capsules
Main Ingredient: Vitamin C and Quercetin
Package Size: 60 Capsules
Brand: Natural Factors
Category:
SKU: nf1360
Barcode: 0068958013985
Daily Wellness
Easy to add to your everyday health routine.
Carefully Selected
Chosen with quality and customer needs in mind.
Simple to Use
Designed for convenient daily supplementation.
Ships to the U.S.
Fast, reliable shipping to U.S. customers.
- 5 stars: 17 (89%)
- 4 stars: 0 (0%)
- 3 stars: 2 (11%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
Nice combo supplement if you want vitamin C and quercetin in one bottle instead of buying separate products. Practical and straightforward.
Started this to support my immune system naturally and so far so good. Not a miracle, just a handy supplement.
I don’t usually write reviews but these caught my attention. The inclusion of quercetin makes sense to me as part of overall wellness.
Packaging was intact and delivery was quick. I’m not a fan of large pills but these are just right size.
At 60 capsules, this lasts me two months easily. I feel better equipped to manage daily stress and feel less rundown.
Decent capsules that dissolve quickly. I find the blend practical and takes away the guesswork with doses.
I give this 4 stars only because of the price. It’s more expensive than some other vitamin C supplements but includes quercetin too.
Been using this for a few weeks and it mixes well with my other supplements. Hoping it helps keep seasonal sniffles at bay.
Overall pleased with this purchase. The capsule size is manageable and I haven’t experienced any unpleasant tastes or burps.
The formula is simple but effective as a daily wellness booster. I like having vitamin C paired with quercetin rather than taking them separately.
I bought this to try something new and the quality seems good. The capsule count makes it last about two months if you take one a day.
Capsules are easy to swallow, which is important for me. The combined dose is more than I get from regular multivitamins.
Not sure if it’s the supplement or just coincidence, but I felt more energetic after starting this. I’ll keep using it.
These have become part of my daily vitamin stack. No weird side effects and seem gentle on my stomach.
I appreciate that each capsule packs quite a bit of vitamin C along with quercetin. Feels like a smart addition to my supplements.
Takes a couple weeks to feel any difference, but so far so good. Packaging is solid and pills are a good size, not too big.
Good value for 60 caps with decent doses of both ingredients. I just hope it helps keep me healthier during cold season.
The combo of vitamin C and quercetin in one pill is super convenient. I've noticed I recover faster after workouts.
I've been taking these capsules daily for a month and feel like it gives a nice boost to my routine. Easy to swallow and no aftertaste.