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Vitamine C and Quercetin Phytosome

Life Extension Vitamin C and Quercetin Phytosome contains 1000 mg vitamin C (1250% RI) with 5 mg quercetin. Vitamin C: for the immune system and collagen formation. Phytosomal quercetin for 50x better absorption. 250 tablets for 250 days.
Packaging may vary.

Regular price €39,95
Regular price Sale price €39,95

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Life Extension Vitamin C and Quercetin Phytosome

  • Tablets containing 1000 mg Vitamin C (1250% RI) with 5 mg quercetin
  • For immune support, the nervous system and collagen formation
  • Quercetin in phytosomal form for 50x better absorption

Highly dosed vitamin C with quercetin

Vitamin C is best known for its contribution to the immune system and as an antioxidant. Fruits and vegetables are the best dietary sources of vitamin C. Life Extension Vitamin C and Quercetin Phytosome contains 1000 mg of vitamin C per tablet, which is 1250% of the reference intake.

Quercetin is a bioflavonoid found in e.g. grape skins, onions and apples. Vitamin C and Quercetin Pytosome contains 5 mg quercetin per tablet.

Vitamin C and quercetin are often found in the same products and complement each other in their effects. Life Extension therefore combines these substances together in their vitamin C supplement.

Phytosomal quercetin for 50x better absorption

Loose quercetin is not well absorbed in the body. Life Extension therefore uses a phytosomal packaging of phospholipids to make quercetin 50x more absorbable. Thus, at a lower dosage, you still enjoy many benefits of quercetin.

Benefits of vitamin C

Vitamin C contributes to your health on several levels:

  • Normal psychological function and normal functioning of the nervous system
  • Normal collagen formation for the normal function of skin, blood vessels, bones & cartilage, teeth & gums
  • Normal functioning of the immune system
  • Provides more immunity during physical exertion (sport, training)
  • The protection of cells against oxidative damage/antioxidant
  • The regeneration of the reduced form of vitamin E
  • Activates your natural energy
  • Helps to reduce fatigue
  • Promotes the absorption of iron from the diet

Ingredients & Usage

Take one tablet daily with food or as recommended by a healthcare practitioner.

One package of Life Extension Vitamin C and Quercetin Phytosome contains 250 tablets, sufficient for 250 days.

Ingredients per serving 1 tablet % RI
Vitamin C (as ascorbic acid) 1000 mg 1250%
Quercetin phytosome
(Japanese sophora flower
bud concentrate,
phosphatidylcholine complex
(from sunflower))
15 mg *
o Quercetin
(from Japanese sophora
flower bud concentrate)
5 mg  

RI = Reference Intake.
* RI unknown

L-ascorbic acid (vitamin C), bulking agent (microcrystalline cellulose/cellulose gel), anti-caking agent (fatty acids), thickener (cross-linked sodium carboxymethylcellulose/cross-linked cellulose gum), anti-caking agents (magnesium salts of fatty acids, silicon dioxide [nano]), glazing agent (hydroxypropylmethylcellulose), lecithins, quercetin from Japanese sophora flower bud concentrate, humectant (glycerol)

Allergy information
No allergens listed

Store dry, cool, away from light and outside of reach of young children.

Dietary supplement. Category: Vitamins.
A varied and balanced diet and a healthy lifestyle are important. Food supplements are no substitute for a varied diet.


  • Do not exceed recommended dose.
  • Do not use if outer seal is broken or damaged.
  • If you are undergoing treatment for a medical condition or if you are pregnant or lactating, please consult your medical practitioner first.

Made in the United States.

Quality Supplements and Vitamins, Inc
Ft. Lauderdale
FL 33309
United States

Imported by
Life Extension Europe
Prins Hendriklaan 28
1075 BD Amsterdam
The Netherlands