Quote:
Saw palmetto is LIKELY SAFE for most people. Side effects are usually mild. Some people have reported dizziness, headache, nausea, vomiting, constipation, and diarrhea.
http://www.webmd.com/vitamins-supplemen ... 20palmettoQuote:
Saw palmetto appears to be well tolerated by most people for up to 3-5 years. LSESR, a particular extract of Serenoa repens, may be better tolerated, although this claim has not been confirmed.
The most common complaints involve the stomach and intestines, and include stomach pain, nausea, vomiting, bad breath, constipation, diarrhea, gas, heartburn, and indigestion. Stomach upset caused by saw palmetto may be reduced by taking it with food.
Some reports describe ulcers, liver damage, liver inflammation, and jaundice (yellowing of the skin), but the role of saw palmetto is not clear in these cases. Similarly, reports of headache, dizziness, insomnia, depression, chest pain, abnormal heart rhythm, heart attack, heart disease, heart failure, high or low blood pressure, respiratory tract problems (including breathing difficulties), and muscle pain have been reported but may not be clearly caused by saw palmetto.
http://www.mayoclinic.org/drugs-supplem ... b-20059958