Examine the label for the amount of standardized or active ingredient. We know very little how herbal therapies interact with other prescription medicines. Let your doctor know what you are taking and watch for unusual side effects. Before swallowing a handful of supplements several times a day, educate yourself about what you are taking. Get your physician's opinion, read the literature and look for actual study results rather than just testimonials.
Naturopathic physicians are knowledgeable about alternative therapies.
You may want to schedule a visit with one and find out what is really worth taking. If you are overweight and inactive, do not expect herbal cures to make you feel better. Better health starts with the basics. A few herbs can't compensate for a lawn full of weeds. Check the calendar.