does glp 1 cause tiredness glp-1 make you tired tired… or give you energy?” Short answer: It depends on the phase. Week 1–2? Some people feel a little low energy while their body adjusts. After that? GLP-1 Receptor Agonist Fatigue Mechanism:

In both studies, no serious TEAEs, TEAEs leading to study withdrawal or deaths were reported

While these drugs were not initially approved for weight management, a small proportion of patients were using them to support weight loss, with doctors prescribing these off-label (off-label prescribing is where a drug is prescribed for a reason other than the one it is licensed for) in these cases, GLP-1RAs were given to people without diabetes but with a high body mass index (BMI)

Concentrations are reported in pmol/mL

Gratzl, S., Rodriguez, P

This makes "dosing" a question of concentration and application frequency, not injected milligrams

GLP-1 receptor agonists can support weight loss, stimulate insulin production, suppress the release of glucagon, slow digestion, boost the feeling of satiety, and reduce the risk of cardiac disease