General questions - injection site experiences, exercise, etc.

I am about to start my third week of 2.5 and am not on this medication for weight loss. Curious to know where the majority prefer to inject themselves. I have tried abdomen (horrible side effects) and thigh (less side effects). My dr seems to think this was just coincidental and my body was adjusting vs specifically related to the injection site.

I am also a runner and have a hard time getting in enough calories unless I am drinking them. I don’t see any issue with this as long as I am hitting protein as a priority and getting a reasonable amount of fiber, but does anyone else experience this?

Also curious if anyone takes any special protocols or supplements on injection day to reduce side effects (slow gut, nausea, headache). I have been injecting in the AM and really trying to make sure I get enough fluids in.

I am on this to try and regulate hormones so I can conceive - very off label but seems to be a researched treatment method right now. I was (and am still slightly) unsettled about this approach, as I am generally healthy, don’t have diabetes, not diagnosed with PCOS etc., but it made sense to give it a go before going down the road of any intense fertility treatments.

Thanks!