Is the traditional ancient black meat-killing tea better to drink before or after meals?

Usually drink it after three meals a day. Traditional black meat-killing tea comes from Liu's "Original Disease", which is made up of more than ten kinds of Chinese herbal medicines, such as kelp, turmeric, cassia seed, dried tangerine peel, poria cocos, dried guava, black oolong tea, eggplant, licorice, chrysanthemum, tartary buckwheat, Eucommia ulmoides, ginseng, etc., in strict accordance with the theory of monarch, minister and assistant in Chinese medicine compatibility, and from the point of view of regulating endocrine, it supplements the liver, spleen, kidney, heart and ginseng. So as to achieve the purpose of conditioning the easy-to-fat physique into the easy-to-lean physique.