Some Chinese herbal items have been observed to get contaminated with undeclared plant or animal material; drugs (like the blood-thinner warfarin and also the nonsteroidal anti-inflammatory agent diclofenac); significant metals (like arsenic, guide, and cadmium); pesticides or compounds named sulfites, which could induce bronchial asthma or intense allergic reactions; https://olivero560aeu9.wikijm.com/user