Reta Stack - Sermorelin or Tesamorelin

Stats:
54M reta lands soon. Plan to take by itself for a month to get used to it but then, thinking about stacking w Sermorelin or Tesamorelin. This choice that I mention is based on some web research, youtube views and asking a few GPT's a safe 🌶️ to 🍐w Reta.

6 5" 235 looking to get down to 215 to lean out. Genally speaking, I've been skinny entire life just added about 15-20 lbs last 4 yrs.
Active at gym 3-4 days a week.
Once the weather turns I'll roadbike 75-125 miles a week zone 2/3/4/5 just depending on what the ride is that day.

Diet is ok working on it daily to up protein cut out processed food.

Like everyone here, I want to lose LBS and keep or add muscle. Gym and diet are not an issue, I am active.

What choice would u make or would u make another to stack w Reta to keep muscle and lose weight.

I realize this has been asked many times, I could not find a post that compared the 2.