dietary supplementation
"I take this for my Chronic Fatigue Syndrome / Myalgic Encephalomyelitis .I heard that people with MS are in a study using 300-600 MG(!)  not mcg, of Biotin.  I tried taking 5MG which is the highest available in a pill.  I got a nasty headache, but it seems like it was a one-off because I haven't had it repeated.  I know it was the biotin though, because I didn't read enough.  Apparently it can dehydrate you, so you have to drink a lot more water than you normally would.  

However, the very next day, I was "sick" in the flulike way that people with CFS/ME do.  And the day after that I had tons more energy than before.  I think it may have helped my immune system to wake up and fight the (much denied) virus that  causes this disease.  But I wouldn't have to guess if the CDC, NIH & FDA would fund ME/CFS research."