This early shift happens because semaglutide binds to GLP-1 receptors in the hypothalamus, the brain region controlling appetite signals
[DOI] [PMC free article] [PubMed] [Google Scholar] 53
Some see GLP-1s as possibly significantly lowering overall future health costs
These reactions are usually mild and self-limiting, but they can be concerning for people who are new to injectable medications
Polo O, Pesonen P, Tuominen E
Mild side effects among them all include: Gastrointestinal issues: constipation, nausea, vomiting, diarrhea, bloating, gas, stomach pain/cramping, and general upset stomach Skin reactions: swollen, red or irritated skin at the injection site, or pigmentation (patches of darker skin) Mental health: signs on depression, increase in anxiety, brain fog, fatigue, headache, and dizziness Serious side effects are RARE, and if you experience any of the following to call your provider ASAP : Kidney issues Pancreatitis Gallbladder issues Thyroid issues Bowl obstruction Severe and lasting stomach pain/cramping Severe mental health such as thoughts of depression Blindness (in cases of existing diabetic retinopathy) * Note: This is just a list of possible side effects
