Yet, since it is only available from animal protein, such as red meat (particularly beef), seafood, other meats, and dairy products, this means vegetarians, especially vegans who eat no animal protein, are at particularly high risk for a functional deficiency
Nat Commun 16 , 8374 (2025)
Most are now closed to new recruitment, but other retatrutide trials (including longer-term cardiovascular and kidney outcomes studies) may still be open to UK participants
doi:10.1152/japplphysiol.00945.2010 (3) Berger DR, Centeno CJ, Steinmetz NJ
Research demonstrates that concurrent administration of GHRH analogs with GHRPs results in significantly higher peak GH levels and greater total GH output compared to either compound administered alone
doi: 10.1016/j.freeradbiomed.2010.09.006 225 BarrosoMHandyDECastroR