It's often known as the "sunshine vitamin," because your body can make vitamin D on its own after exposure to sunlight. Vitamin D is a fat-soluble vitamin, which means it's stored in fatty tissue.
Most people do not commonly experience side effects with vitamin D…

Learn about the potential side effects of Vitamin A, D (multivitamin).
Side Effects & Safety When taken by mouth: Vitamin D is LIKELY SAFE when taken by mouth in recommended amounts.

Includes common and rare side effects information for consumers and healthcare professionals.