Get a coach and do more research… Insulin isn’t going to blow you up, and should be left to the pros. Odds are you’re not gonna get what you want out of it and comes with high risk.
300mg is way high for trt! What’s level does that put you at?
Average is 100-200mg, for lesser side effects and more stable levels daily shots are recommended. Personally I split it up mwf.
Most clinics have no clue what there doing
200g of protien is plenty for your weight. Any more and it’s just expensive carbs. How many carbs and fats are you eating a day? Meal prep makes adjusting macros and amounts of each a piece of cake if you stay consistent
Intensity bro.. push your self. Legs are typically slow twitch so like higher reps. 12-20. Mine started growing when I decided I wanted big legs and started putting the work in