They tend to gain weight after ending treatment
Chen S, Sun K, Chao K, Sun Y, Hong L, Weng Z et al (2018) Detection rate and proximal shift tendency of adenomas and serrated polyps: a retrospective study of 62,560 colonoscopies
10.1038/bjc.2011.349 Br J Cancer
Korean medical facilities often combine glutathione injections with vitamin C drips, collagen treatments, and other complementary therapies
There is no known direct clinical interaction that makes the combination toxic or dangerous for most people
2.5 Quality assessment and risk of bias In line with PRISMA guidelines, the assessment of methodological quality was conducted to evaluate the strength of evidence, recognising that methodological limitations may introduce bias