Nausea affects 28% at the 12mg dose
Walking, in particular, can help reduce colonic inertia
But their introduction, in addition to the expanding number of indications for which they are used will increase demand, and thereby help drive down cost as more companies enter the market (Mallapaty)
Guida C, McCulloch LJ, Godazgar M et al (2018) Sitagliptin and Roux-en-Y gastric bypass modulate insulin secretion via regulation of intra-islet PYY
Living Medical eTextbook, Point in Knowlegde
As long as you maintain a minimum of 72 hours between injections, shifting your schedule by 24 hours is typically safe and won't compromise the effectiveness of your treatment