↑ 가나Lee, MS; Pittler, MH; Ernst, E (2008). “Effects of reiki in clinical practice: A systematic review of randomised clinical trials”. 《International Journal of Clinical Practice》 (Systematic Review) 62 (6): 947–54. PMID18410352. doi:10.1111/j.1742-1241.2008.01729.x. In conclusion, the evidence is insufficient to suggest that reiki is an effective treatment for any condition. Therefore the value of reiki remains unproven.