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When it's not, you're paying for a mechanism that can't execute

In mouse models of highfat dietinduced liver steatosis, it significantly inhibits hepatic NNMT activity, reduces NAM methylation, increases NAD+ and SAM levels, enhances mitochondrial fatty acid oxidation, reduces hepatic triglyceride and lipid accumulation, lowers lipotoxicity markers (e.g., malondialdehyde, transaminases), improves hepatocellular injury, and reverses steatosis

The FDA has flagged CJC-1295-related concerns including possible immunogenicity for certain routes of administration, peptide-related impurities, and API characterization complexity

J Endocrinol 180(3):379388

Environ Exp Bot 167:103849 Rouhier N, Jacquot JP (2008) The plant multigenic family of thiol peroxidases