first week of tirzepatide reddit How Long Does Take to Work? 1 year On Tirzepatide :

For intramuscular injection, rotating between deltoid, vastus lateralis, and ventrogluteal sites prevents tissue irritation and ensures consistent absorption

Shortly afterwards, in October 1964, Harold Elrick and his colleagues at the University of Colorado Medical School, independently showed that oral doses of glucose produced significantly higher levels of plasma insulin than when given by intravenous injection (Elrick, Stimler, Arai)

Most patients reach peak triglyceride reduction by week 20 to 28

They also slow down how quickly food leaves your stomach, helping you feel satisfied longer and making it easier to eat smaller portions