Minimal: mild energy surge, site irritation, nausea at higher doses
Within 48 hours after injection of 100 or 1,000 mcg of vitamin B 12, 50 to 98% of the injected dose may appear in the urine
No dose-ranging study has established a human oral dose for this compound, so the high oral numbers circulate as community and vendor convention rather than as published clinical figures
[107] Anti-seizure medications phenobarbital, pregabalin, primidone and topiramate are associated with lower than normal serum vitamin concentration
Retatrutide and 5-Amino-1MQ: Evidence, Safety, and UK Regulatory Status Retatrutide and 5-Amino-1MQ are two compounds generating considerable interest in metabolic health and weight management circles, yet neither holds a marketing authorisation in the UK