Examination of the effectiveness of low-molecular-weight lychee polyphenol-containing foods for tinnitus and ear discomfort in healthy subjects: a randomized, double blind, placebo-controlled study - Examination of the effectiveness of low-molecular-weight lychee polyphenol-containing foods for tinnitus and ear discomfort in healthy subjects

In the test product group, significant decreases in hearing thresholds were observed in THI (8 w), PTA left (8 w), and PTA left and right average value (8 w). In addition, his VAS (8W), which is a subjective evaluation, showed a tendency to improve psychologically, and the results of each measurement and the doctor's overall evaluation from the examination showed that both 4W and 8W were better than the placebo group. Significant improvement in ear discomfort was observed.