Creatine causing muscle cramps and how supplements may be dangerous
About a month ago, a 44-year-old insurance executive came to see me with complaints of headaches and muscle cramps. His pain was caused by the typical cluster headache located behind one eye, accompanied by one-sided tearing and nasal congestion, and often triggered by occasional wine or chocolate. The muscle cramps mainly affected the legs and seemed to worsen after exercise.
When I got the results of his lab work, I was …