Cardarine will not affect your liver so you don't really need it as a staple but n2guard use during a any sort of cycle is very beneficial. Post-Cycle therapy it is a complete must to stack N2guard even if you only used injectable steroids then whole time. hcgenerate is more of a necessity with every cycle since everything can suppress to some degree, but many compound build muscle without affecting the liver or taxing renal functions, which renders n2guard an optional item to ensure success. N2guard is for rich guys that have the funds to spend on making sure you come out of your cycle with only muscle and not some cumulative toxic damage to vital organs. Us poor folk living week to week just have to get cheap liv52 and some milk thistle, or just not use methylated orals like anavar and winstrol but instead use sarms then n2guard becomes an option more than a necessity the way it is when you take a 17aa hormone like dianabol.