For what goals? This: is the far more important issue. Both promoted for symptoms; cure nothing, may promote other problems, especially if used frequently. Additionally there are so many individual differences + no organized prospective placebo controlled or comparative trails of any sizable group on which to base an answer. Thus usual self-experimentation/buyer-beware. Rec: Google: "sources of caffeine in nature".
Answered 10/23/2015
2.2k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question