 With fibromyalgia, what are you deficient in? So getting some blood testing done to find out what your nutritional deficient areas are is important too because you may have omega-3 fatty acid deficiencies. Many times people with fibromyalgia that deal with that have low, low, low, low, low levels of vitamin D. And vitamin D3, of course, we get vitamin D from the sun, but after the age of 50, your ability to utilize vitamin D decreases by about 50%. So with that being said, a lot of times supplementation is the only way