Metformin Side Effects While most people tolerate metformin well, like any medication, it can cause side effects in some individuals
Products marketed as GLP-1 vitamins or GLP-1 boosters typically contain ingredients that may marginally increase natural GLP-1 production, but the magnitude of effect does not approach what prescription medications achieve
If you experience a severe allergic reaction (swelling of face, eyes, and lips, itching, dizziness, and difficulty breathing), gallbladder inflammation, changes in vision, or low blood sugar levels, stop using the medication and get medical help right away
If a vendor provides a bioassay, that's a strong positive signal