Product description Herbal vitamin preparation Quercetin is a flavonoid found in foods such as onions, apples, berries, tea and red wine. It is also found in several herbs, including Ginkgo biloba, St. John's wort (Hypericum perforatum) and American elder (Sambucus canadensis). Content: 60 capsules. Main ingredients: 250 mg Quercetin 250 mg buffered vitamin C per capsule. RI*: Vitamin C = 312.5%: *RI = Reference intake per capsule. Ingredient: vegetarian capsule.(pullulan) PURE:no fillers or additives. Absolutely free from: yeast, lactose, sugar, preservatives and synthetic colors, aromas and flavors. Use: 1 to 3 capsule (s) per day. Minimum intake: we recommend 2 months, 60 capsules is enough for about 30 days. Suitable for vegetarians and vegans Avoid use during pregnancy or breastfeeding.