I've tried Tryptophan, 5 HTP, various other things over the years L-ornithene, L-arginine and L-Lysine
For its systemic effects, DSIP is very similar to melatonin in that regard
Contrave is a combination of Naltrexone and Bupropion
Nutritional support for conception & spermatogenesis A comprehensive formulation of vitamins and micronutrients including L-Carnitine and L-Arginine
Second, the strength of tirzepatides evidence is exactly what makes an apples-to-apples ranking against an investigational amylin analog impossible: you cannot fairly rank a fully-approved drug against a candidate whose stand-alone efficacy stops at Phase 2
For example, one study in chronic insomniac patients used intravenous DSIP at 25 nmol/kg and found higher sleep efficiency, shorter sleep latency