Life Extension Vitamin C and Bio-Quercetin – Immune & Antioxidant Support
Life Extension Vitamin C and Bio-Quercetin® combines 1,000 mg of vitamin C with a highly absorbable form of quercetin to provide comprehensive support for immune function, antioxidant protection, collagen production, cardiovascular health, and overall wellness.
Vitamin C is an essential nutrient that the human body cannot produce on its own, making adequate intake through food or supplementation important. Life Extension takes traditional vitamin C supplementation a step further by adding Bio-Quercetin®, a specialized quercetin formula designed for dramatically improved absorption compared with standard quercetin.
Each bottle contains 250 vegetarian tablets, providing an economical 250-day supply when taken as directed.
Benefits of Vitamin C and Bio-Quercetin
Life Extension Vitamin C and Bio-Quercetin is formulated to help:
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Support healthy immune system function
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Provide powerful antioxidant protection
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Help protect cells against oxidative stress
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Promote healthy collagen production
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Support skin and connective tissue health
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Promote healthy iron absorption
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Support cardiovascular and circulatory health
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Provide highly bioavailable quercetin
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Support whole-body health and healthy aging
1,000 mg of Vitamin C Per Tablet
Each tablet provides 1,000 mg of vitamin C as ascorbic acid.
Vitamin C is best known for its role in immune health, but its benefits extend well beyond the immune system. It functions as an important antioxidant and is required for the body's production of collagen.
Collagen is a major structural protein found throughout the body, including the skin, blood vessels, bones, cartilage, and connective tissues.
Vitamin C also helps support the absorption of iron and contributes to cardiovascular and whole-body health.
Bio-Quercetin® for Enhanced Absorption
Standard quercetin can be difficult for the body to absorb, which means simply taking a larger amount doesn't necessarily translate into greater bioavailability.
Life Extension addresses this problem with its Bio-Quercetin® Proprietary Blend.
Each tablet provides 15 mg of Bio-Quercetin®, including:
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5 mg quercetin from Japanese sophora flower bud
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4 mg galactomannans from fenugreek seed
Bio-Quercetin® combines quercetin with a fenugreek-derived galactomannan delivery system designed to dramatically increase absorption.
Clinical research on this specialized formulation found that it produced blood concentrations of quercetin up to 62 times higher than unformulated quercetin.
This enhanced bioavailability allows Life Extension to deliver an effective amount of highly absorbable quercetin without requiring hundreds of milligrams of standard quercetin.
Why Combine Vitamin C and Quercetin?
Vitamin C and quercetin are both naturally occurring compounds found in many fruits and vegetables.
They also complement each other well in a nutritional supplement.
Vitamin C provides essential antioxidant, immune, collagen, and cardiovascular support, while quercetin is a plant flavonoid with antioxidant properties that helps support healthy immune and inflammatory responses.
Combining the two provides a convenient way to support immune health and antioxidant defenses in one daily tablet.
Vitamin C and Bio-Quercetin vs. Regular Vitamin C
A basic vitamin C supplement typically provides only ascorbic acid.
Life Extension Vitamin C and Bio-Quercetin provides a full 1,000 mg dose of vitamin C while adding highly absorbable Bio-Quercetin® for additional immune, antioxidant, and cardiovascular support.
For customers looking for more than a standard vitamin C tablet, this combination offers a more comprehensive approach to daily immune and antioxidant supplementation.
Who Should Use Vitamin C and Bio-Quercetin?
Life Extension Vitamin C and Bio-Quercetin is an excellent daily supplement for adults looking to support:
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Immune system health
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Antioxidant protection
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Healthy collagen production
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Cardiovascular health
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Healthy circulation
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Skin and connective tissue health
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Healthy aging and overall wellness
It's also a convenient option for anyone who wants the benefits of both vitamin C and highly absorbable quercetin without purchasing two separate supplements.
How to Take Life Extension Vitamin C and Bio-Quercetin
Take 1 tablet daily with food, or as recommended by a healthcare practitioner.
Each bottle contains 250 vegetarian tablets, providing up to a 250-day supply at the recommended dosage.
Frequently Asked Questions
How much vitamin C is in each tablet?
Each tablet provides 1,000 mg of vitamin C as ascorbic acid.
What is Bio-Quercetin®?
Bio-Quercetin® is a specialized quercetin formulation that combines quercetin from Japanese sophora with galactomannans derived from fenugreek seed to improve absorption and bioavailability.
Why does this product only contain 5 mg of quercetin?
The quercetin is delivered using Life Extension's highly bioavailable Bio-Quercetin® formulation. Clinical research found this formulation produced serum quercetin levels up to 62 times higher than unformulated quercetin.
What are vitamin C and quercetin good for?
Vitamin C and quercetin provide complementary antioxidant and immune support. Vitamin C also plays an important role in collagen production, iron absorption, cardiovascular health, and protection against oxidative stress.
Is this a good supplement for immune support?
Yes. Both vitamin C and quercetin are commonly used to support healthy immune function. This formula combines 1,000 mg of vitamin C with highly absorbable Bio-Quercetin® in one tablet.
Does vitamin C support collagen production?
Yes. Vitamin C is required for normal collagen formation, making it important for skin, blood vessels, cartilage, bones, and other connective tissues.
How many tablets are in each bottle?
Each bottle contains 250 vegetarian tablets, providing a 250-day supply when taking one tablet daily.
Is Life Extension Vitamin C and Bio-Quercetin vegetarian?
Yes. The product uses vegetarian tablets and is also non-GMO and gluten-free.
Supplement Facts
Serving Size: 1 Vegetarian Tablet
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Vitamin C (as ascorbic acid): 1,000 mg
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Bio-Quercetin® Proprietary Blend: 15 mg
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Providing 35% quercetin: 5 mg
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From Japanese sophora flower bud concentrate
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Providing 30% galactomannans: 4 mg
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From fenugreek seed
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Buy Life Extension Vitamin C and Bio-Quercetin
Life Extension Vitamin C and Bio-Quercetin provides more than basic vitamin C supplementation. Each vegetarian tablet combines 1,000 mg of vitamin C with highly absorbable Bio-Quercetin® to support immune function, antioxidant defenses, collagen production, cardiovascular health, and overall wellness.
With 250 servings per bottle and a convenient once-daily formula, it's an excellent option for anyone looking for a high-potency vitamin C and quercetin supplement for everyday health and immune support.