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Mol Ther 2013;21:1830

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As of 2026, the FDA allows licensed pharmacies to make these peptides with a prescription, but that is not the same as approving them as safe or effective

Tolerability and Safety Questions Both candidates are likely to be judged partly on gastrointestinal tolerability: nausea, vomiting, diarrhea, constipation, dose escalation, and discontinuation due to adverse events

Examples: Notes: The acid is commonly HCl or H 2 SO 4 , or alternatively just written H 3 O+ to avoid specifics