Your GLP-1 and GIP receptors are already adapted to agonist stimulation, which means the GI adjustment to retatrutide may be less severe than starting from scratch
Higher IGF-1 supports tissue repair, muscle hypertrophy, and metabolic regulation, including enhanced fat metabolism (1)
If nausea has prevented you from reaching therapeutic doses , the B12 component may help you progress through the titration schedule more comfortably
Insulin is a hormone that encourages the cells to use sugar and sends signals to build skeletal muscle
You are likely craving sugar due to a rapid drop in overall calorie intake, which causes your brain to demand quick energy in the form of glucose
However, the relationship between weight loss injections and back pain is likely indirect and multifactorial