Life Extension Vitamin C and Bio-Quercetin® is a dietary supplement with 1000 mg of vitamin C per tablet and 15 mg of Bio-Quercetin® proprietary blend. The product comes in a box of 250 vegetarian tablets and is stated as gluten-free and non-GMO. For adults who want a high-dose vitamin C supplement in tablet form, this formulation provides a clear combination of vitamin C as the main nutrient and quercetin as a complementary plant compound.

Compared to many standard vitamin C products, this formulation also contains Bio-Quercetin®, where quercetin is combined with galactomannans from fenugreek seeds. Life Extension states that this technology has been developed for higher bioavailability than unformulated quercetin, citing data where the formulation produced up to 62 times higher serum concentrations than standard quercetin. This is a special product technological feature and not an independently approved health claim in the EU.

• Vitamin C contributes to the normal function of the immune system
• Vitamin C helps protect cells against oxidative stress
• Vitamin C contributes to normal collagen formation for blood vessels, skin, cartilage, bones, teeth and gums
• Vitamin C helps to reduce fatigue and exhaustion
• Vitamin C contributes to normal energy metabolism
• Vitamin C increases iron absorption

Each recommended daily dose of 1 tablet contains 1000 mg of vitamin C as ascorbic acid. The Bio-Quercetin® mixture is 15 mg and, according to the manufacturer, provides 5 mg of quercetin from Japanese sophora concentrate and 4 mg of galactomannans from fenugreek seeds. Other ingredients are microcrystalline cellulose, coating of purified water, hypromellose and glycerin, stearic acid, croscarmellose sodium, vegetable stearate, silica, sunflower lecithin and sunflower oil.

This product fits well into daily routines where vitamin C is often in demand, for example during periods of high stress, with a one-sided diet, during active weekdays or when you want a practical supplement for immune defence, energy turnover and collagen formation. In contrast to powders and effervescent tablets, this supplement comes in solid tablet form with easy dosing, which many people prefer when traveling, working or other regular use.

In terms of quality, the product is stated as vegetarian, gluten-free and non-GMO. It contains ingredients from fenugreek seeds and sunflower, so people with known hypersensitivity should read the ingredients list carefully. Quercetin is covered by Norwegian regulatory follow-up for certain other substances, and the product's stated amount of quercetin is low compared to levels that are often discussed in regulatory assessments. For Norwegian online stores, it is therefore particularly important to keep the focus on vitamin C and the approved health claims related to this nutrient.

Recommended use from the manufacturer is 1 tablet daily with food, or on the advice of a qualified healthcare professional. Store dry, closed and out of the reach of children. Do not use if the seal is broken or damaged. Dietary supplements should not replace a varied diet and a healthy lifestyle. Pregnant women, breast-feeding women and people under medical follow-up should consult a doctor or other qualified healthcare professional before use.