Vitamin D Side Effects

Vitamin D is a fat soluble vitamin that encourages the metabolism and absorption of phosphorous and calcium. People obtain the vitamin from food, supplements and sun exposure. When too much of the vitamin is absorbed in your body you can suffer from various side effects.

Side Effects of Vitamin D

• Too much Vitamin D can lead to drastically high levels of calcium in the blood.


• Pregnant women should consult their doctor before taking Vitamin D because too much of the vitamin can cause serious harm to an unborn infant.


• Kidney disease has been associated with the absorption of too much Vitamin D. It increases the calcium level, which increases the risk of hardening of the arteries.


• If a patient already has high calcium levels in the blood, taking too much Vitamin D could possibly make the condition worse.


• People who have been diagnosed with the disease Sarcoidosis should use Vitamin D cautiously because it can lead to kidney stones and other health related illnesses.


• Some people suffer from an allergic reaction to Vitamin D, but this is really rare. Some symptoms of an allergic reaction would be severe itching, rash, swelling, severe dizziness or trouble breathing. If this happens it is recommended that you consult your doctor immediately.


• Vitamin D can be passed on to breast milk of new mothers, which in turn is passed on to their child. When the baby gets too much of the vitamin through the milk it can lead to serious health problems. Consult with your doctor to determine how much is too much.