L-Theanine Nootropic: The Complete Guide to Tea’s Cognitive Amino Acid
Your morning cup of green tea delivers something coffee can’t match alone. That smooth, focused calm without the jitters comes from L-theanine, an amino acid that’s been quietly optimizing human cognition for thousands of years while hiding in plain sight inside every tea leaf. This L-theanine nootropic guide breaks down everything you need to know…