Tibetan Herbal Tea Agar-35 Reduces Negative Affect and Anxiety: A Placebo-Controlled Pilot Study.

Timothy J Martin, Scott Mist, Tenzin Lektsok, Natalie L Trent

Journal: Explore (New York, N.Y.) 2018;13(6):367-370

PMID: 28967627

Full Text on Elsevier Science View on PubMed

Abstract

INTRODUCTION

Herbal medicine and other forms of complementary and alternative medicine (CAM) are used to treat symptoms of psychiatric disorders in the United States, including anxiety and mood problems. In Traditional Tibetan Medicine anxiety and depression are commonly treated with an herbal compound known as Agar-35.

OBJECTIVE

The objective of this pilot study was to explore whether Agar-35 tea would improve anxiety, affect, stress, and rumination.

METHODS

Undergraduate psychology students (N=14) were randomized to drink either Agar-35 tea (n=6) or placebo tea (n=8) for 7 nights.

RESULTS

The results indicated that Agar-35 significantly reduced participants' negative affect compared to placebo, U = 6.0, p = .019, effect size, r = .63. Further, Agar-35 also reduced anxiety (trending toward significance), U = 10.0, p = .071, effect size, r = .48.

CONCLUSION

In accordance with its use in Tibetan Medicine, these preliminary findings suggest that Agar-35 may benefit aspects of psychological health.

Address: Harvard Divinity School, 45 Francis Ave, Cambridge, Massachusetts 02138. Electronic address: [email protected].; Oregon Health & Science University, Portland, Oregon.; Lumbini Buddhist University, Boudha, Kathmandu, Nepal.; Department of Psychology, Harvard University, Cambridge, Massachusetts.

DOI: 10.1016/j.explore.2017.08.002

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MeSH Terms: Adolescent, Adult, Affect, Agar, Anxiety, Anxiety Disorders, Depression, Depressive Disorder, Double-Blind Method, Female, Humans, Male, Medicine, Tibetan Traditional, Phytotherapy, Pilot Projects, Plant Extracts, Teas, Herbal, Thymelaeaceae, Tibet, Young Adult