Hello, I want to ask if the source of nutrition is true or false. The source of nutrition is real. Yangyiyuan is a brand of traditional Chinese medicine health care, and its products include Chinese herbal medicine drinks and health products. This brand product adopts traditional Chinese herbal medicine, and its formula has been scientifically studied and strictly screened, which has the functions of health care and body function regulation. This brand has a certain popularity and influence in China market, which shows that the source of nourishment is real.