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When Dax Sheperd recently asked me about peptides in his popular Armchair Expert podcast, I gave him an overview without the details provided in this post

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Most patients tolerate the injections well and experience minimal discomfort

Plants do not provide vitamin B12, so a plant-based vegan or vegetarian diet is likely to be deficient in this important vitamin

Those with persistent fatigue or high stress may benefit from biweekly doses

Full disclaimer 1.AOD-9604 is a 16-amino acid peptide fragment derived from human growth hormone (hGH residues 177-191) with added tyrosine, developed by Metabolic Pharmaceuticals for obesity treatment 2.Proposed mechanism: selective stimulation of lipolysis (fat breakdown) and inhibition of lipogenesis (fat formation) without growth hormone-like effects on IGF-1 or blood glucose 3.Failed Phase 2b clinical trial for obesity (2007)did not demonstrate statistically significant weight loss versus placebo, terminating clinical development for this indication 4.Received FDA "Generally Recognized as Safe" (GRAS) designation in 2023 as a food substance, but this is NOT a drug approval and does not establish efficacy for weight loss 5.Regulatory status: not FDA-approved as a drug, prohibited by WADA, and insufficient evidence for weight loss efficacy