Vitamin D

Recommend dosage for CFS Patients is 15,000 IU/day. At this dosage it will take 75-90 before symptom improvement is expected to be seen. Some people have seen some symptoms improved within days, but those are likely a small minority.

Impacts of vitamin D is enormous and raising the level sufficiently has resulted in remission for some CFSers.

Vitamin D improves regulatory T cell function in patients with relapsing remitting multiple sclerosis.