... advantages of the herb are known. The most common side effects are nervousness, agitation, insomnia,diarrhea, and headaches. As ... it. Occasionally, there have been reports of more serious side effects, such as asthma attacks, increased blood pressure, and heart ... vitamins, including pyridoxine (vitamin B6), thiamine (vitamin B1), riboflavin (vitamin B2) and Pantothenic acid (vitamin B5), and minerals ...