Comment by manoDev

Yeah, caffeine is not the cause per se - the thing is it has both vasoconstriction and vasodilation effects at different times, so it can mess with blood vessels in the inner ear. It totally makes sense if you get tinnitus when you cut caffeine after your body is used to it.

Magnesium plays a part on vasodilation regulation as well, and many people are silently deficient on it. It’s hard to detect deficiency w/ blood samples, because the body works hard to keep blood concentration stable. You will know you do if you get muscle cramps or twitches.