You can report a Alpha tocopherol / ascorbic acid / beta carotene / calcium carbonate / cholecalciferol / docusate / ferrous fumarate / folic acid / niacinamide / pantothenate / pyridoxine / riboflavin / thiamine / vitamin b12 / zinc oxide adverse event on MedWatch, the FDA's medical product safety reporting program for health professionals, patients and consumers.