I'm planning on beginning a sarm stack cycle with S-4, LGD-4033, and RAD-140 for 4 weeks, and I was wondering if anyone has any thoughts or suggestions about how to do most effectively and safely. Also, what would be a good dose and PCT for this cycle? Here's my situation:

I'm 19 years old, 5'9, and 160 pounds, and I've been lifting for about five years. I've only ever cycled a sarm once; I took YK-11 for 12 weeks, at a slightly lower dose than the suggested dose, and just finished my PCT for that cycle. I lift and do cardio a lot and eat very healthy.

All opinions, suggestions, and ideas will be greatly appreciated.