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Abstract. Ankylosing spondylitis (AS) is an inflammatory disorder that presents with arthritis of the axial skeleton, including sacroiliac joints. Vitamin D is a secosteroid hormone with a long-established role in calcium and phosphate homeostasis, and in the regulation of bone formation and resorption.bstract. Ankylosing spondylitis (AS) is an inflammatory disorder that presents with arthritis of the axial skeleton, including sacroiliac joints. Vitamin D is a secosteroid hormone with a long-established role in calcium and phosphate homeostasis, and in the regulation of bone formation and resorption.
Vitamin D and calcium are bone-health nutrients. Without vitamin D, calcium from foods would not be absorbed in your intestine. Folic acid helps form red blood cells and prevents certain congenital defects in the fetus. Vitamin C facilitates healthy skin, bones and teeth, and also helps your body absorb iron from foods.Magnesium is a mineral and is involved in functions like digestion, absorption, protein synthesis and nerve health. Selenium is a trace mineral distributed widely in foods and protects cells from damage.itamin C facilitates healthy skin, bones and teeth, and also helps your body absorb iron from foods. Magnesium is a mineral and is involved in functions like digestion, absorption, protein synthesis and nerve health. Selenium is a trace mineral distributed widely in foods and protects cells from damage.