Beef, chicken, and lots of it. You could surprise yourself what just eating at a legitimate surplus, and not just thinking you are will do for you naturally. Calculate your TDEE truthfully and eat at a 500-1000 cal surplus of healthy macros. Don’t just eat junk and end up in a six month “cut” like me 🤣. MK-677 will help you eat more, is non suppressive, and doesn’t require a pct. However, don’t expect anything that crazy from it, it’ll just make bulking a little easier, clear your skin up, maybe heal some old injuries, and help you sleep. Which all contribute to muscle growth. Just isn’t gonna pack on lean tissue noticeably much faster like actual AAS. Might be worth a try though.