This side effect is mostly a concern when taking SARMs at high doses ' just as most performance athletes will. It's not considered much of a risk at lower doses. If you do experience hair loss when taking SARMs, the bad news is that it's going to be permanent; unless you have some sort of effective hair restoration plan, southern sarms mk 677. Can SARMs cause heart attack? The long term effects of SARMs are still unknown when it comes to their use by humans.That being said, the existing clinical evidence suggests it may be even stronger than RAD 140, and most of the anecdotal evidence and results are extremely promising as well, southern sarms mk 677.