Hello. Since you mentioned how many grams to take, you must want to take birch extract (refined powder). Betula platyphylla extract is 2? G is enough, one gram for breakfast and dinner, 200 ml for warm water, hot water or cold water; For people who want to treat diabetes, hypertension, or inhibit cancer cells, it is recommended to increase the dose to 6 grams a day, that is, 3 grams each time. Usage as above. All Chaga products belong to health care products series and do not replace medicines.