Tea and Herbal Infusions, Psychological Stress, Anxiety & Sleep Health: A Systematic Review of Human Trials & Mechanistic Studies

Tea is popular global beverage and abundant provider of biologically active plant molecules which have been attributed to its health properties. Relationships between tea drinking certain aspects the subject past reviews. The present systematic review focuses on consumption in relation psychological stress challenges anxiety sleep health. Publications were searched up 21st September 2022, PubMed database along with references original articles. Thirty-three publications included main review-17 human trials 16 mechanistic studies. Human graded assess quality using Jadad scale. Overall, a growing body evidence suggests that (including green oolong) herbal infusions, at relatively low intakes (around 1 2 cups daily), could help facilitate sleep, alleviate anxiety, primarily by facilitating relaxation. Evidence for black tea, German Chamomile, Lavender, Rose, Jasmine, Passionflower emerging looks promising. Ongoing research needed form randomised controlled build these provisional findings.