Over the past few decades, the "normal" blood level of vitamin D (25-OH vitamin D) was based on the amount needed to keep PTH from becoming abnormally high. Again, PTH at high levels can cause ...

Learn about the best time of day and way to take vitamin D and if you should consider a supplementing with this nutrient.

Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is ...

You might have heard that vitamin D can be crucial for bone health, and that taking supplements may be in order if you're not getting enough naturally from sunlight or from D-rich foods like eggs ...

and fasting blood glucose. Some groups did even better, such as those with vitamin D deficiency or lower BMI. Experts say it’s a good idea to get tested by a doctor before taking larger doses.

1, 2023 — A major clinical trial has found that vitamin D supplements do not increase bone strength or prevent bone fractures in children with vitamin D deficiency. The findings challenge widely ...

The Endocrine Society's guidelines suggest routine blood tests to measure vitamin D levels are not necessary for most healthy people over 75. There is no clear evidence that regular testing ...

Taking too much vitamin D over a long period of time can cause calcium to build up in the body, which can actually weaken bones and damage your heart and kidneys. This is known as hypercalcaemia. If ...

Specifically, vitamin D offers "overall beneficial effects on blood pressure, blood lipid levels and glycemic parameters." This was especially the case in non-Westerners, participants with lower ...

a type of white blood cell that helps eliminate disease-causing microorganisms. According to a 2016 research review, T cells with low vitamin D levels promote higher concentrations of pro ...

Vitamin D helps regulate the amount of calcium and phosphate in the body – nutrients essential for keeping bones and muscles ...