theanine (N5-ethyl-L-glutamine)

Introduction

L-amino acid found in tea & some mushrooms.

• available OTC in pill or tablet form

Uses

• anxiety, stress, insomnia

Dosage

• safe in doses up to 250 mg

More general terms

• alpha-amino acid
• dietary supplement (nutraceutical, medicinal food)

Database

• PubChem: http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=439378