Quercetin food supplement of plant origin, in dihydrate form that favors its bioavailability. Quercetin is a flavonoid found in a wide variety of vegetables, fruits and medicinal plants. NaturesPlus has managed to concentrate 600 mg of pure quercetin in 1 single tablet. Its use is generally recommended for adults between 18 and 50 years old. Although under professional supervision and for certain indications it is recommended in children. The minimum established age is 10 years, with a maximum dose of 300 mg/day that increases as the individual's age increases. Suitable for vegans. Instructions for use: Take 1 tablet a day.