The main components of chocolate are theobromine, sugar and butter, which do not raise the level of estrogen in the body and therefore have no adverse effect on the development and growth of fibroids. 2. Uterine fibroids are caused by factors such as high estrogen levels in the body. It is recommended that it is best to eat a light diet, not to eat spicy and stimulating foods, and not to eat hot foods, and to have regular reviews to monitor the growth of the tumor.