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Publisher USADA Accessed Jun 27, 2026 Study type Regulatory Document Limitations: Anti-doping guidance is not a medical evidence review, but it is highly relevant for athlete risk and prohibited-substance context

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Nicotinamide analogs such as 6-methylaminonicotinamide form one class of NNMT inhibitors that work by mimicking the natural substrate, NAM, and competing for the enzymes active site 197

BPC-157 is evaluated in research focused on peptide-mediated cellular signaling and recovery-related pathway systems

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