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And somewhere on the label, in small print, are four words that tell you everything: For Research Use Only

Semaglutide works gradually and cumulatively, not instantly

Conclusion Constipation is a known but manageable side effect of semaglutide

Insoluble fiber adds bulk to your stool, which directly addresses one of the most common complaints on semaglutide: constipation

Doctor-supervised programs

This guide breaks down exactly what happens in your body after each semaglutide injection , when the most common side effects typically appear, how long they last at each dose level, and what the STEP trial data actually shows about the timeline from first injection to peak side effects