rad140

Why do I get strong calves pain while trying to do cardio on rad-140 and mk677 (10mg ED)? And any ways to fix it?

Hi all, been lurking here for a bit but now I need to ask some advice. I'm a 30 year old male, I've been running various SARMs off and on for 3 cycles total now, first was S4 only, 8 years ago, then at the beginning of this year I took RAD, LGD, and Ostarine in high doses all together (I know...