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Life Extension

Vitamin C and Bio-Quercetin®, 60 Vegetarian Tablets

4.8 · 8269 reviews
821 ₽

Gluten Free Non GMO LE Certified Immune Support Dietary Supplement What Is Vitamin C? Our formula combines vitamin C with highly absorbable Bio-Quercetin® that uses fibers from fenugreek seeds to increase bioavailability up to 62x, which in turn helps maintain healthy blood concentrations and enhances vitamin C benefits, including immune support, collagen production and heart health support. Help manage oxidative stress and inflammation factors to support immune function with Vitamin C and Bio-Quercetin®. Vitamin C and Bio-Quercetin® Benefits Protects against oxidation with 1,000 mg of vitamin C Encourages healthy immune system function with highly absorbable Bio-Quercetin® Promotes collagen formation and healthy iron uptake Supports cardiovascular health

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Gluten Free Non GMO LE Certified Immune Support Dietary Supplement What Is Vitamin C? Our formula combines vitamin C with highly absorbable Bio-Quercetin® that uses fibers from fenugreek seeds to increase bioavailability up to 62x, which in turn helps maintain healthy blood concentrations and enhances vitamin C benefits, including immune support, collagen production and heart health support. Help manage oxidative stress and inflammation factors to support immune function with Vitamin C and Bio-Quercetin®. Vitamin C and Bio-Quercetin® Benefits Protects against oxidation with 1,000 mg of vitamin C Encourages healthy immune system function with highly absorbable Bio-Quercetin® Promotes collagen formation and healthy iron uptake Supports cardiovascular health

Customer reviews

5.0
verified purchase
Nice

I have re order it serval times, its wokable on me and my family. Its good price point to buy on iherb and free delivery. The product is good quality and nice packaging. Its worth to try. Especially on special discount.

9/7/2025
5.0
verified purchase
Highly effective and great quality Vitamin C!

This is a top-tier supplement for anyone looking to boost their immunity. The addition of Bio-Quercetin significantly increases the absorption, making it much more effective than standard Vitamin C. The size of the bottle is great for the price, and I love that these are vegetarian tablets. I’ve noticed a real difference in my overall well-being and resilience!

4/6/2026
5.0
verified purchase

Excellent combination! I really like that it includes quercetin together with vitamin C. It feels more complete and supportive, especially during periods when I want to strengthen my immunity. Easy to take and gentle on the stomach. Very high-quality formula.

3/26/2026
5.0
verified purchase
Vitamin C

I been using vitamin C for few months now, mostly every morning with breakfast. I like it because it help me support my overall health and I feel like my immune system is bit stronger when I take it regularly. The quality seems very good. The capsules are easy to swallow, no bad taste, and feels clean and natural. I also like that the size of the bottle is perfect — 60 capsules is very convenient. It last a good month if you take one a day, and easy to carry if I travel. What I like most: helps me feel more energetic and healthy; high quality ingredients; convenient size, not too many capsules to store; simple routine, easy to remember.

2/25/2026
5.0
verified purchase
good vitamin

I really like this Vitamin C with Bio Quercetin supplement. The quality is excellent, the size and package are convenient, and the composition is clean and natural. The benefit is noticeable, supporting immunity and overall wellness. The frequency of use is easy to follow, suitable for any age. The flavor is pleasant, making it easy to take regularly, even for sensitive individuals.

12/28/2025
5.0
verified purchase
Trusted brand

I have been using this supplement for a couple of months now for managing my histamine intolerance. It may be early to confirm its effects. Both ingredients help with histamine intolerance, bonus points for boosting immunity. Packaging and size are ok. This appears to be a quality brand. Two different doctors have recommended it.

12/1/2025
5.0
verified purchase

The capsules are high quality odorless, and size is easy to swallow. I have been buying them fot the first time. I take them with Relora to feel more benefit. My dosage is one per day. I do not recommend taking these pills on an empty stomach, as they can irritate it. My mood is more consistent and less reaction to the stress.

11/30/2025
5.0
verified purchase
ordered for second time

Got it for the second time as it gets very well absorbed. The capsules are a little bit big, however, they are easy to swallow and don't feel sticky. Especially due to the quercetin, I find it great for supporting the immune system. Also it's great for its antioxidant properties. Overall, great quality for the price.

11/17/2025
5.0
verified purchase
the best combo product

Vitamin C and quercetin offer a range of health benefits when taken together, primarily due to their synergistic effects. Both compounds are powerful antioxidants that help protect the body from oxidative stress, which is linked to aging and chronic diseases. Vitamin C supports the formation of collagen, which is essential for healthy skin, tendons, ligaments, blood vessels, bones, and teeth. It also helps maintain a healthy cardiovascular system and supports immune functionQuercetin may also stabilize mast cells and inhibit histamine release, providing relief from allergy symptoms such as sneezing and nasal congestion. Additionally, this combination may support heart health by promoting healthy blood pressure and improving cardiovascular function. Quercetin has been studied for its potential to reduce oxidative stress and inflammation, which are factors in conditions like type 2 diabetes and heart disease

11/13/2025
5.0
verified purchase
Vitamin C and Bio-Quercetin Dietary Supplement

The quality is excellent, using premium-grade ingredients that ensure purity, potency, and optimal absorption. In terms of benefits, this supplement supports immune system function, healthy skin, joints, and connective tissues, while also helping protect cells from oxidative stress. The taste is mild or neutral, as the capsules are easy to swallow and leave no aftertaste.

11/5/2025