Lauren Gray is a New York-based writer and editor with nearly a decade of experience covering health, wellness, ...

Vitamin B12 Deficiency Side Effects: Vitamin B12, also known as cobalamin, is an essential nutrient that plays an important role in the production of red blood cells, DNA synthesis, and the proper ...

If you are taking any prescription medications or supplements, check with your medical provider before supplementing with ...

People with the above conditions are often advised to take vitamin D supplements in an amount prescribed by a doctor. While it is possible to take too much vitamin D, toxicity is very rare.

However, vitamin D can also cause side effects affecting several body systems—especially when taken in high doses over the safe upper limit of 4,000 IU per day. Read on to learn the eight ...

Out of 17 vitamin D supplements, these eight brands made our best list. (SaVanna Shoemaker, RD) ...

Excessive intakes of vitamin D can cause various adverse health effects because of hypercalcaemia (high blood calcium level). "Symptoms and signs may include nausea, vomiting, weakness ...

Unexplained fatigue that doesn't get relieved by resting well can stem from Vitamin D deficiency too. Not having sufficient levels can lead to mood changes, laziness and poor mental health too.

However, excessive amounts of vitamin D can cause stomach discomfort or kidney problems. “There are a multitude of effects of vitamin ... if you are taking in too much vitamin D,” she explained.

While it’s tempting to hibernate until spring, there's one sneaky side effect ... other vitamin, you want to be sure you're getting enough Vitamin D, but you also don't want too much.

Vitamin D toxicity, also called hypervitaminosis D, is a rare but potentially serious condition that occurs when you have excessive amounts of vitamin D in your body. Vitamin D toxicity is usually ...