If you're consistently eating less than your protein minimum, your body cannibalises muscle
This isnt giving up on the appeal
It is most relevant for men who care about fertility, testicular size, or maintaining testicular function
There are two isoforms, long and short

Muscle Cramping on GLP-1 Drugs: Which Medications Cause or Treat It At a glance Muscle cramps affect an estimated 2-4% of GLP-1 users in clinical trial populations GI side effects (nausea, vomiting, diarrhea) drive electrolyte depletion, the primary cramp trigger Magnesium, potassium, and sodium losses are the most common electrolyte deficits involved Diuretics, statins, and PPIs co-prescribed with GLP-1s compound cramping risk Rapid weight loss at rates above 1 kg per week increases muscle-related complaints Lab panel (BMP, magnesium, phosphorus) is the first diagnostic step Magnesium glycinate 200-400 mg nightly is a first-line supplement intervention Most cramps resolve within 2-4 weeks of targeted electrolyte correction Dose reduction or slower titration of the GLP-1 may be necessary in refractory cases Why GLP-1 Drugs Trigger Muscle Cramps Muscle cramping during GLP-1 receptor agonist therapy is not a direct pharmacologic effect of the drug on skeletal muscle