For those who wonder whether Reiki has scientific backing, a comprehensive 2024 meta-analysis published in BMC Palliative Care offers compelling evidence. This rigorous study examined 13 randomized controlled trials involving 824 adult participants, revealing that Reiki therapy significantly reduces anxiety.

The Study at a Glance
Published: June 13, 2024
Authors: Xiulan Guo, Yue Long, Zhikai Qin, Yongtao Fan
Journal: BMC Palliative Care
Participants: 824 adults across 13 studies
The researchers conducted a systematic review of randomized controlled trials published between 2005 and 2023, searching major databases including PubMed, Web of Science, and the Cochrane Library.
Key Findings
The meta-analysis revealed a significant anxiety reduction with Reiki therapy, with a standardized mean difference (SMD) of -0.82 (95% CI -1.29 to -0.36, p = 0.001). This statistical result demonstrates a substantial therapeutic effect.
What Works Best?
The research identified optimal treatment approaches:
- Short-term interventions (≤3 sessions) showed strong effectiveness
- Moderate frequency treatments (6-8 sessions) produced excellent results
- Particularly beneficial for patients with chronic conditions
Clinical Applications
The study found Reiki especially helpful for individuals experiencing:
- Health-related anxiety in patients with chronic conditions
- Procedural anxiety before medical procedures like gastrointestinal endoscopy
- Anxiety associated with fibromyalgia and depression
- General anxiety across various adult populations
Why This Matters
This meta-analysis is significant because it combines data from multiple independent studies, providing a more robust and reliable conclusion than any single trial could offer. With 824 total participants and rigorous statistical analysis, the evidence strongly supports Reiki as an effective complementary therapy for anxiety reduction.

The Bottom Line
Science continues to validate what Reiki practitioners and recipients have long known: Reiki can be a powerful tool for managing anxiety. Whether you’re dealing with chronic health conditions, facing medical procedures, or simply seeking relief from everyday stress, Reiki offers a gentle, non-invasive approach supported by peer-reviewed research.
The study’s conclusion emphasizes that “short-term interventions (≤ 3 sessions) and moderate-frequency Reiki therapy (6–8 sessions) can effectively reduce health and procedural anxiety” across various patient groups.
Interested in Experiencing These Benefits?
If you’re curious about how Reiki might help with your own anxiety or stress, research suggests that even just a few sessions can make a meaningful difference.
Reference:
Guo, X., Long, Y., Qin, Z., & Fan, Y. (2024). Therapeutic effects of Reiki on interventions for anxiety: a meta-analysis. BMC Palliative Care, 23, 149. https://pmc.ncbi.nlm.nih.gov/articles/PMC11170819/
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