For years, conventional wisdom was that older adults should take calcium and vitamin D supplements for bone health and to ...

Vitamin D is vital for bone, muscle, and immune health but excessive intake can lead to serious health issues like hypercalcemia, nausea, and kidney c ...

It’s important to note that you shouldn’t exceed 100 micrograms (4,000 IU) of vitamin D a day, as it could be harmful. While some people might find that their vitamin D supplements lead to ...

How much vitamin D is enough? Over the past decade, rickets has re-emerged as a noticeable public health issue in some areas (Lanham-New et al, 2010) and many physicians have been ordering lab ...

In adults, the dietary allowance for vitamin D is 600-800 IU (International Units) a day, varying with age and medical conditions. Toxicity usually occurs when intake is more than 4,000 IU daily ...

Still, the health service warns us not to “take more than 100 micrograms (4,000 IU) of vitamin D a day as it could be harmful.” In a recent TikTok, GP Dr Ahmed explained why. Per the doctor ...