Resveratrol can be taken for a long time, but not in excess. Taking a large amount of resveratrol (2.5~5g) every day for 30 days may cause mild gastrointestinal discomfort (such as nausea, flatulence and abdominal discomfort), which is harmful to health. Do not use it for pregnant women, nursing mothers, children and people with liver and renal insufficiency. Take it under the guidance of a professional dietitian. VORST resveratrol, each capsule contains 400mg of resveratrol, and you can take one capsule every day. Don't worry, it has passed the registration certification in Health Canada.

Avoid using it with drugs or herbs, or consult a qualified doctor before using it. In addition, patients with estrogen-sensitive diseases (such as breast cancer, ovarian cancer and uterine cancer) should avoid taking it.