However, too much can be harmful and cause symptoms like nausea, loss of appetite, confusion, and depression. Excessive vitamin D may also cause kidney disease. While you don't need ...

The Recommended Dietary Allowance (RDA) for vitamin C depends on a handful of factors, including age and sex (for adults): 19 years and older: 90 mg for men, 75 mg for women (85 mg when pregnant and ...

Too much vitamin D can be dangerous because it can cause hypercalcemia (high blood calcium levels) and raise heart disease risk. Some experts believe that the benefits of vitamin D supplements ...

Vitamin D is important for your bones, muscles, nerves, immune system, and more.. But if you get too much, it could lead to a rare and possibly serious condition called vitamin D toxicity. You may ...

When the sun is out, your body can potentially make its own vitamin D, but it still may make sense to continue with ...

"Vitamin D acts as a hormone in the body and too much of it can lead to a number of problems." "Smaller amounts (400 IU) are recommended in the first year of life," she told Fox News Digital.

The regimen included 150,000 IU of vitamin D per day, which is over 200 to 400 times the recommended daily amount of 400 to 800 IU. Yes, you heard that correctly: 400 times.

“Taking too many vitamin D supplements over a long period of time can cause too much calcium to build up in the body, which is known as hypercalcaemia,” Pennington explains.