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Company Zepbound and Mounjaro Eli Lilly and Company

systemic = whole-body tissue effects)

Unknown purity and identity Peptides from unregulated sources may contain: Incorrect amino acid sequence Truncated peptides Impurities from incomplete synthesis Other peptides entirely Particulate matter from resin or filters Independent labs have repeatedly shown that many online peptides are mislabeled or impure

Human studies examining the peptides effects on intestinal permeability or microbiome composition remain scarce

TB-500 itself remains an investigational compound, meaning it has not been approved as a standalone drug by the FDA