L-theanine: Another otc uncontrolled and unproven substance which you can certainly take and the only thing it is likely to hurt is your wallet. Pt barnum and the fda. Best wishes for controlling future cardiac issues.
Answered 2/20/2014
4.4k views
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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