It is established cardiac pharmacology, documented in the NEJM paper: "Glucagon and GLP-1 can exert positive chronotropic and inotropic effects on the heart." GLP-1 also contributes: GLP-1 receptor activation by itself produces a modest chronotropic effect this is why semaglutide and tirzepatide raise heart rate by 14 bpm
and Johnson & Johnson, which makes Blink
Avoid high-fat or high-sugar meals, as they may counteract the medications effects
However, if you experience severe diarrhea, vomiting, or constipation, you should consult your doctor without delay
Theres no evidence that GLP-1s harm fertility
None of these differences requires a dose change, but they are good to understand