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Life Extension - Optimized Quercetin - 250 mg, 60 Veg Capsules
LLife Extension

Life Extension Optimized Quercetin – 250 mg, 60 Veg Capsules

★★★★★— Anonym

(5★) This is my first bottle, and so far I’m happy with it. I’ve noticed that my throat doesn’t seem to become inflamed as easily as before. It’s still early days, but I’m seeing a positive difference, so I’ll definitely keep taking it. The capsules are easy to swallow and the quality seems good.

★★★★★— Anonym

(5★) This optimised quercetin has been a game-changer for managing my seasonal allergies this year. My symptoms are significantly milder, and I’ve been able to enjoy the outdoors without relying on antihistamines. The capsules are easy to swallow and cause no stomach upset. It’s a relief to have found a natural and effective solution.

Read all 17 reviews →

Optimised quercetin supplement with 250 mg per capsule, vegan and gluten-free formula from Life Extension.

€20.00

Inc. VAT·Earn 216 points

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Per 1 vegetarian capsule
250 mg Quercetin

€0.33 per serving60 servings per pack · 1 capsuleCompare Quercetin products →


Stock figures are indicative — supply may run out quickly, we can't guarantee availability

Description

Product Overview

Life Extension Optimized Quercetin is a carefully formulated food supplement in the form of vegetarian capsules, containing 250 mg of quercetin per serving. Each bottle contains 60 capsules, providing a month's supply when used regularly. Life Extension is a well-regarded American brand with over 40 years of experience in science-based nutritional supplements, with a longstanding focus on quality, purity and documented efficacy.

The product is gluten-free, non-GMO and entirely vegan, making it a good choice for anyone looking for a high-quality, pure supplement without unnecessary additives.

Active Ingredients & Science

The key component in this product is quercetin in the form of quercetin dihydrate, a stable and well-researched form that offers good bioavailability. Quercetin is a bioflavonoid found naturally in many fruits and vegetables, including red onions and apples. In this product, its effects are enhanced by a food-based blend containing extracts from onion skin, bitter orange and apple, which provide additional flavonoids and polyphenols.

Benefits & Uses

  • Suitable for anyone looking to supplement with quercetin in an optimised form for daily use.
  • Suitable for anyone seeking a vegetarian, gluten-free and non-GMO option.
  • A good supplement for those looking to add a combination of bioflavonoids and natural vitamin C from several sources.
  • May complement the diet of people with an active lifestyle who want a convenient, easy-to-take supplement.

The product is easy to incorporate into your daily routine and is well suited to anyone looking to maintain their nutritional balance with natural plant-derived substances. It can also be combined with other food supplements, such as vitamin C or multivitamins, for a more complete nutritional profile.

Directions & Dosage

The recommended dosage is one capsule daily, preferably with a meal to aid absorption. The capsules are vegetarian and easy to swallow. For best results, use the product regularly over time.

Quality & Manufacturing

Life Extension is known for its strict quality control and high manufacturing standards. Production takes place under certified conditions in accordance with GMP (Good Manufacturing Practice), and every batch is carefully tested for purity and contents. The product is free from gluten, GMOs and common allergens, reflecting the company's commitment to offering safe and transparent supplements.

Who Is This Product Suitable For?

Optimized Quercetin is suitable for adults who want to supplement their diet with quercetin and bioflavonoids from natural sources. It is particularly suitable for anyone looking for a vegan, gluten-free and GMO-free supplement. Pregnant and breastfeeding women should avoid the product unless otherwise advised by a doctor. People with an allergy to any of the ingredients should exercise caution, although the supplement contains no common allergens. It is always advisable to consult a healthcare professional if you have an underlying health condition or take medication.

Summary

Life Extension Optimized Quercetin is a thoughtfully formulated food supplement that combines quercetin with natural extracts to provide a broad spectrum of bioflavonoids and vitamin C. With its high quality, strict manufacturing standards and plant-based, vegan profile, it is a good choice for anyone looking to supplement their daily nutrition simply and confidently. The product suits a range of lifestyles and can easily be incorporated into your daily routine. We recommend this supplement to anyone seeking a carefully formulated option made with natural ingredients and offering good bioavailability.

Contents & Nutrition

Nutrition declaration

Per EU regulation 1169/2011

Recommended daily dose

Read the entire label and follow the instructions carefully. Take one (1) capsule once or twice daily, or as recommended by a healthcare professional.

IngredientAmount per doseNRV%
Vitamin C30 mg38%
Quercetin250 mg†
Camu camu-extrakt50 mg†
Mikrokristallin cellulosa–†
Växtbaserad cellulosa–†
Maltodextrin–†
Kisel–†
växtbaserad stearinsyra–†

Contents per daily serving (1 Vegetarian Capsule)

*NRV = Nutrient Reference Value according to EU Regulation 1169/2011
† NRV not established

Other ingredients

Microcrystalline cellulose, plant-based cellulose, maltodextrin, silica, plant-based stearic acid, microcrystalline cellulose, plant-based cellulose, maltodextrin, silica, plant-based stearic acid.

* NRV = Nutrient Reference Value per EU regulation 1169/2011 · † Daily reference value not established

Do not exceed the recommended dose; dietary supplements do not replace a varied diet and a healthy lifestyle. Store well sealed in a cool, dry place and out of reach of children, and do not use the product if the seal is broken; pregnant or breastfeeding women or individuals undergoing medical treatment should consult a doctor before use.

Do not exceed the recommended daily dose. Dietary supplements should not be used as a substitute for a varied diet. Keep out of reach of young children.

The ingredient list may vary by product variant. Always check the packaging.

FAQ

Frequently asked questions about Life Extension Optimized Quercetin – 250 mg, 60 Veg Capsules

How many capsules should be taken per day?
The recommended dose is 1 vegetarian capsule daily. One bottle contains 60 capsules, which corresponds to a one-month supply when used regularly at this dosage.
Is Optimized Quercetin vegan?
Yes, Optimized Quercetin is a completely vegan formula with vegetarian capsules. The product contains no animal gelatin or other ingredients of animal origin.
What are the benefits of quercetin?
This is particularly relevant during seasonal changes when environmental factors may affect immune function.
Is Life Extension Optimized Quercetin suitable for people with gluten sensitivity?
The product is also non-GMO and certified by Life Extension for the highest quality standards.
What is quercetin dihydrate and why is it used in the formula?
Quercetin dihydrate is a stable and well-absorbed form of quercetin used in this formula for optimal bioavailability. This form ensures that the ingredient is effectively absorbed in the body for maximum effect.
What natural sources does the quercetin come from?
Quercetin naturally occurs in red grape skins, red onions, apples, buckwheat, and other foods. Life Extension Optimized Quercetin combines this ingredient with an optimised food-based complex from onions, bitter orange, and apples for a synergistic effect.
How much vitamin C does each dose contain?
Each dose contains 30mg vitamin C from both ascorbic acid and natural camu camu berry extract, corresponding to 33% of the daily value.
Is Life Extension Optimized Quercetin GMO-modified?
No, Optimized Quercetin is non-GMO and certified by Life Extension. The product meets Life Extension's high-quality standards and undergoes strict quality control for safety and purity.
Price history

Lowest price last 30 days: €16.00

Last 30 daysLowest: €16.00 · Highest: €20.00
2026-10-112026-11-09
Last 30 days
Price historyLowest
2026-10-11€16.00
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Product facts
Product nameLife Extension - Optimized Quercetin - 250 mg, 60 Veg Capsules
EAN / Barcode0737870130963
Net weight80 g
Country of originUS
Price inc. VAT€20.00

Do not exceed the recommended dose; dietary supplements do not replace a varied diet and a healthy lifestyle. Store well sealed in a cool, dry place and out of reach of children, and do not use the product if the seal is broken; pregnant or breastfeeding women or individuals undergoing medical treatment should consult a doctor before use. Do not exceed the recommended daily dose. Dietary supplements should not be used as a substitute for a varied diet. Keep out of reach of young children.

Ingredient guide

Read more about the active ingredients and compare every product that contains them.

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Life Extension - Optimized Quercetin - 250 mg, 60 Veg Capsules

€20.00