Can a low level of Vitamin D cause you to feel tired?!
Question: Yes
"Furthermore, studies have shown that vitamin D deficiency is common in the U.S. Because the typical symptoms are aching bones and muscle discomfort, vitamin D deficiency is often misdiagnosed as fibromyalgia or chronic fatigue syndrome, according to Michael F. Holick, MD, PhD, of the Boston University School of Medicine."
Answers: Yes
"Furthermore, studies have shown that vitamin D deficiency is common in the U.S. Because the typical symptoms are aching bones and muscle discomfort, vitamin D deficiency is often misdiagnosed as fibromyalgia or chronic fatigue syndrome, according to Michael F. Holick, MD, PhD, of the Boston University School of Medicine."
yes