@bold-95, welcome to the forum. Rib pain can be caused by Chondritis, an inflammation of the cartilage in the ribcage or breastbone.  Vitamin D deficiency causes this condition and Osteopenia. Celiac disease damages the lining of the small intestine, making absorption of nutrients like vitamins difficult.  Nutritional deficiencies result.  Diseases can be caused by not having enough of certain vitamins and minerals. Vitamins are chemical compounds that our bodies cannot make, so we must get them from food or supplements.  Vitamins are crucial to our bodies functioning properly.  Eating a nutritionally dense diet is important, but to correct nutritional deficiencies, supplemental...