Deficiencies of Vitamin D can cause bone diseases, teeth and gum disease, menstrual cramps, bone spurs, brittle fingernails, cognitive impairment, depression, eczema, hyperactivity, hypertension, insomnia, limb numbness, muscle cramps, nervousness, neuro excitability osteomalacia, osteoporosis, heart palpitations, periodontal disease, pica, ricketa, retarded growth, tetany, tooth decay, leg cramps, as well as excessive and long menstruation.

Some of the benefits of Vitamin D are the prevention of rickets, promotion growth and maintenance of healthy teeth and bones, maintainance of the cardiovascular system including regulation of the heart beat, support of the nervous system - particularly the transmission of nerve impulses, increases a person's ability to withstand pain, relief of muscle spasms, and the relief of menstrual cramps.

Vitamin D can be found in dairy products, peanuts, sunflower seeds, walnuts, soybeans, dried beans, wheat germ, almonds, green leafy vegetabls, salmon, sardines, carob, barley, blackstrap molasses, dandelion greens, dulse, prunes, tofu and whey, yougurt, bonemeal, sesame, legumes, shellfish, nuts, and seaweed.