Eli Lillys tirzepatide, marketed as Zepbound for people with obesity and Mounjaro for those with Type 2 diabetes, is another story
Contraceptives This might seem counterintuitive (arent birth control pills supposed to regulate your cycle?), but hormonal contraceptives such as continuous dose estrogen/progesterone pills, the Depo-Provera shot, the birth control implant, and certain intrauterine devices (IUDs) can cause your period to not occur on time, according to Ella Speichinger, MD, an OB-GYN at University of Missouri Health Care
The concern is that excess protein gets converted to glucose and kicks you out of ketosis
Delaying gastric emptying
= from 0.026 to 0.028 for each CFS subgroup)
References Bertone-Johnson, E