Moderate consumption of Birch Mushroom Water is not significantly harmful to the kidneys. Birch mushrooms contain birch fucoidan alcohols, steroids, alkaloids, oxidized triterpenoids, corky acids, tannin compounds. Drinking Birch Mushroom Water can replenish these nutrients, which are safer for kidneys and generally do not harm kidneys, and can be consumed in moderation by all healthy people. Allergic people should be careful with birch mushrooms, if you are allergic to birch mushrooms, don’t drink birch mushroom water. Pregnant women should try not to eat birch mushrooms, so as not to affect the normal development of the fetus. Patients with liver and kidney insufficiency should drink birch antler water under the guidance of a physician’s consultation, and if they become unwell, they should actively seek medical attention to avoid further development of their condition.