GLP-1 medications also affect the heart, brain, and immune system, because GLP-1 receptors are found throughout the body, including in the heart, brain, fat, and muscles
Is Semaglutide Being Compounded
Understanding why weight loss stalls on semaglutide requires evaluating all these factors, not just assuming medication tolerance is the primary issue
It did not stop working entirely, which means the other receptor actions still mattered, but the loss of some benefit strongly suggests that glucagon receptor activation contributes meaningfully to the overall fat-loss effect
Once you have reached your target weight, lower doses are sufficient to prevent regain
The same 0.5 mg weekly dose requires completely different injection volumes depending on whether your vial holds 2.5mg/mL, 5mg/mL, or 10mg/mL solution