7 Signs and Symptoms of Vitamin D Deficiency People Often Ignore Once considered an ageing problem, vitamin deficiencies have now become very common amongst all ages - especially teenagers and adolescents. It is during the growing years that one needs an extra dose of healthy vitamins and nutrients but instead of loading up on a balanced diet most people seem to be depending on supplements to meet various vitamin deficiencies that perhaps their diet cannot fulfil. Our sedentary lifestyle, unhe