Finally starting my MOTS-C protocol - any tips for the first week?

I am so relieved that the regulatory landscape is finally clearing up. After the April announcement regarding the Category 2 removals, my clinic finally got the green light to start me on a MOTS-C protocol. I'm looking to improve my metabolic flexibility and insulin sensitivity. My doctor has me starting at 5mg once weekly, administered SubQ. I've read a lot about the 'exercise mimetic' effects, but I'm curious if anyone here has noticed a significant difference in their energy levels or recovery times during the first few weeks? I'm currently tracking my HRV and resting heart rate, and I'm hoping to see some stabilization there. Any advice on injection site rotation or common pitfalls for a first-timer? I'm feeling pretty optimistic about this, especially given how much my metabolic health has plateaued over the last year.