I would say LGD-4033 is the best for adding lean tissue. Rad is very good for overall performance. Stacking those would be good.
I've ran S23 previously and I think it would be very hard to bulk on. Ramps up the metabolism too much. Great for cutting, better options out there for bulking.
I've ran S23 previously and I think it would be very hard to bulk on. Ramps up the metabolism too much. Great for cutting, better options out there for bulking.