Any hacks you've stumbled across from supplements to diet, to exercises that have really helped you keep/add muscle well into your 40's and beyond, let me know.
https://www.muscleandfitness.com/fle.../cocoa-powder/
I used to make protein cakes - but over time they put on extra weight I didn't need. I learned recently that it may have been the cocoa I was using that was leading to the gains, so adding cocoa into my diet.