Safety
Acupuncture is widely considered to be a very safe health intervention when performed by licensed acupuncturists, who receive a minimum of 3-5 years of Master’s level education (or in some cases, even more years of training at the Doctoral level).
Likewise, some (but not all) acupuncturists receive extensive training in East Asian herbal medicine and take a national exam to become certified herbalists. Dr. Aaron Cashman has received his national herbal medicine certification from the NCCAOM and is licensed in both Pennsylvania and California as both an acupuncturist and herbalist.
In the hands of acupuncturists/herbalists with such extensive training, herbal medicinal formulas are very safe and free from harmful side-effects.