A Component of Tea to Promote Sleep: A Review of L-theanine as Treatment for Insomnia

Caracciolo, Christopher MD
Wissink, Ted MD
Schneider, Craig MD

Dr. Caracciolo is a physician at Integrative Medicine Department, Maine Health, Falmouth.
Dr. Wissink is Associate Professor of Family Medicine, Tufts University School of Medicine; and Associate Director of Integrative Medicine, Department of Family Medicine, Maine Medical Center, Portland.
Dr. Schneider is Associate Professor of Family Medicine, Tufts University School of Medicine; and Director of Integrative Medicine, Department of Family Medicine, Maine Medical Center, Portland.

Financial Disclosure: None of the authors or planners for this educational activity have relevant financial relationships to disclose with ineligible companies whose primary business is producing, marketing, selling, re-selling, or distributing healthcare products used by or on patients.

Integrative Medicine Alert 26(8):p 57-61, August 2023.

SYNOPSIS: This review of eight studies encompassing 417 patients assesses the effectiveness of L-theanine on sleep disorders. Results were inconsistent, but avenues of future study were identified.