Tapping (EFT) for How It Works (Biology): evidence summary

A one-page overview of the peer-reviewed research, prepared for discussion with a healthcare provider. The Tapping Evidence Base · July 2026

62studies
7randomized trials
3meta-analyses/reviews
1,557participants

Bottom line. A meta-analysis (Gilomen 2015) reported a pooled Hedges' g of -0.66 (95% CI -0.99 to -0.33) for tapping on acupoint stimulation in the how it works (biology) literature.

Selected strongest studies

StudyDesignJournalEffect
Gilomen, S.A., Lee, C.W. (2015) Meta-analysis, N=921 Journal of Behavior Therapy and Experimental PsychiatryHedges' g = -0.66
Feinstein, D. (2022) Systematic review, 309 studies Journal of Psychotherapy Integration
Feinstein, David (2010) Systematic review, 8 studies Psychotherapy: Theory, Research, Practice, Training
König, N., Steber, S. et al. (2019) Randomized trial, N=22 Brain Sciences
Church, D., Yount, G. et al. (2016) Randomized trial, N=16 American Journal of Health Promotion
Stapleton, P., Buchan, C. et al. (2019) Randomized trial, N=15 OBM Integrative and Complementary Medicine
Jasubhai, S. (2021) Randomized trial, N=14 Journal of Clinical Psychology and Mental Health Care
Yount, G., Church, D. et al. (2019) Randomized trial Global Advances in Health and Medicine
What tapping (EFT) is. A brief self-administered technique combining exposure and cognitive elements with fingertip stimulation of acupressure points. It is used as a self-help and adjunctive practice for stress and emotional regulation. Effect sizes above are tapping vs. a comparison group; d ≥ 0.8 is considered large. Limitations across this literature include variable use of active vs. waitlist controls and reliance on self-report measures. This summary is informational and not a substitute for clinical judgment.