How to choose safer, better-backed approaches If your weight affects health or quality of life, prioritize interventions tested in human clinical trials and supervised by clinicians
10.3390/biom14050593 167 HanrahanJ.SteevesK
(289) conducted a meta-analysis of 23 RCTs comprising 931 hemodialysis patients, demonstrating that probiotic/prebiotic/synbiotic interventions significantly reduced plasma p-cresyl sulfate (SMD = 0.38, 95% CI: 0.61 to 0.15), endotoxin (SMD = 0.58), CRP (SMD = 0.61), and IL-6 (SMD = 0.92) [Evidence quality: Moderate - significant heterogeneity in intervention protocols]
OConnor C, White KL, Doncescu N et al (2015) NMR structure and dynamics of the agonist dynorphin peptide bound to the human kappa opioid receptor
That changed when the FDA began increasing enforcement against non-FDA-approved compounded GLP-1 products in February 2026, citing safety concerns