Supplement your diet with Vitamin D and improve your overall immunity. Contrary to popular belief, this essential vitamin is not received from the sun, but sunlight helps spark the natural creation of Vitamin D in the skin. If you’re experiencing symptoms of Vitamin D deficiency, it might be an indication that your food intake is lacking. Augment your immune system and bone health and reduce your chances of developing osteological maladies. Too much at once can cause harmful toxicity. Make sure to check the recommended amounts of Vitamin D supplements for you and control your dosage responsibly.