10.1093/bja/aep322
This is your time to ask questions, discuss your goals, and get an overall understanding of the medication
Recommended Dosing Research suggests effective doses range from 100400 mg/day , depending on the intended outcome: Sleep : 200400 mg in the evening Cognition : 100200 mg with ~40100 mg caffeine (2:1 ratio) Stress and anxiety : 200400 mg spread across the day Individual responses vary, and like any supplement, L-theanine should be viewed as complementary to, not a substitute for, foundational lifestyle habits such as quality sleep, regular exercise, balanced nutrition, and effective stress management
Based on external industry reporting and empirical research, were fairly confident in stating that GLP-1 users consume lower quantities of meat after adopting the treatment
MMRM = mixed model for repeated measurements
American Association of Nurse Anesthetists, 2026)