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Bio-Quercetin

‎4.9/5
186 reviews
Swanson Vitamins
USD 9.00

at Swanson Vitamins

Updated: Oct 24, 2026

About this item

Life Extension Bio-Quercetin offers highly absorbable support for immune, cardiovascular and endothelial health. Quercetin is an antioxidant flavonoid that may boost energy and muscle recovery; it may also support respiratory health and weight management. Bio-Quercetin from Life Extension uses quercetin encased in a plant-derived phytosome, making it up to 50 times more absorbable than standard quercetin.

  • Features
    • Supports immune & cardiovascular health
    • Plant-derived for superior absorption
    • Vegetarian & non-GMO

Specifications

Ingredient

Amount per serving / Daily value %

Bio-Quercetin® Proprietary Blend

30 mg / **

providing 35% quercetin (10 mg) [from Japanese sopheora concentrate (flower bud)], 30% galactomannans (8 mg) [from fenugreek (seed)]

/ *

Other Ingredients

microcrystalline cellulose, vegetable cellulose (capsule), vegetable stearate, sunflower lecithin, silica, sunflower oil

Product photos are for illustrative purposes only and are exemplary. The colors, inscriptions, parameters, dimensions, sizes, functions, and/or any other features of the original products may look different than in reality due to their visual characteristics, so please refer to the product features that are indicated in the product descriptions.

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