About Life Extension – Quercetin – 30 vcaps
Life Extension’s Quercetin delivers a precisely formulated Bio-Quercetin Proprietary Blend, combining a concentrated Japanese sophora flower bud extract standardised to 35% quercetin with galactomannans from fenugreek seed. This pairing is designed to support the absorption and bioavailability of quercetin, a naturally occurring flavonoid found in many plants and foods.
Each vegetarian capsule provides 30 mg of the proprietary blend, yielding 10 mg of pure quercetin alongside 8 mg of galactomannans. The formula is free from gluten-containing ingredients and encapsulated in a vegetable cellulose shell, making it suitable for vegetarians. With just one capsule per day, it offers a convenient and straightforward addition to a daily wellness routine.
Life Extension is a science-driven brand with decades of experience in evidence-based supplementation. This quercetin product reflects their commitment to ingredient quality, careful sourcing, and transparent formulation — crafted for those looking to integrate a well-researched flavonoid into their nutritional regimen.
Nutrition Facts
| Nutrient | Per serving |
|---|---|
| Bio-Quercetin Proprietary Blend | 30 mg |
| – Quercetin 35% [from Japanese sophora concentrate (flower bud)] | 10 mg |
| – Galactomannans 30% [from fenugreek (seed)] | 8 mg |
* No established daily reference value.
Ingredients
Bio-Quercetin Proprietary Blend (providing 35% quercetin (10 mg) [from Japanese sophora concentrate (flower bud)], 30% galactomannans (8 mg) [from fenugreek (seed)]) 30 mg. Other Ingredients: microcrystalline cellulose, vegetable cellulose (capsule), vegetable stearate, sunflower lecithin, silica, sunflower oil.
Capsule shell: vegetable cellulose (capsule)
Usage & Dosage
Take one (1) capsule daily or as recommended by a healthcare practitioner.
Warnings
Keep out of reach of children. Do not exceed recommended dose. Do not purchase if outer seal is broken or damaged. When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
Allergen Information
Contains sunflower-derived ingredients (sunflower lecithin, sunflower oil). Contains fenugreek (seed), a legume — individuals with legume allergies should use caution. No gluten-containing ingredients declared.
Storage
Store tightly closed in a cool, dry place.
Dietary Information
- Vegetarian
- Gluten Free
- Lactose Free

