A cool, dry dark place is sufficient. Never run a Sarm longer than 3 months on. Then take three months off.
Suppression is rare, but always have ancillaries on hand in case it occurs. Everyone's body is different.
I've been around Sarms 2-3 years and have a buddy that trains bodybuilders and its different for everyone.
If your balls get seriously atrophied or you get serious gyno, chances are you are taking too high of a dose or your shit is spiked with pro-hormones or oral steroids.
Have blood work done before and after cycle when fucking with a different company/supplier that you are unsure of.