Vitamin D3 Ultra, 5000UI, 30 capsules, Nutrific Contributes to the normal absorption/utilization of calcium and phosphorus Contributes to maintaining normal blood calcium levels Contributes to maintaining the health of the bone system It contributes to maintaining the normal function of the muscular system Contributes to maintaining the health of the teeth It contributes to the normal functioning of the immune system Participates in the process of cell division Contributes to protecting cells against oxidative stress Administration: Adults: 1 capsule per day with an adequate amount of water. Precautions: Vitamin D can interact with a number of medications. Here are some examples: Orlistat (Xenical and Alli) a slimming (weight loss) medicine. This medicine can reduce the amount of vitamin D your body absorbs from food and supplements Cholesterol-lowering statins may not work as well if high doses of vitamin D from supplements are used. These include: atorvastatin (Lipitor®), lovastatin (Altoprev® and Mevacor®), and simvastatin (FloLipid™ and Zocor®) Steroids such as prednisone can cause vitamin D levels in the blood to drop. Diuretics (Hygroton®, Lozol®, and Microzide®) can raise blood calcium levels too much if vitamin D supplements are used. Very high levels of vitamin D in the blood can cause nausea, vomiting, muscle weakness, confusion, pain, loss of appetite, dehydration, excessive urination and thirst. Ingredients: Each capsule contains: Vitamin D3 125 mcg; capsule: gelatin. Presentation: 30 capsules