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 the ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

Vitamin D is a fat-soluble vitamin long associated with bone health, but emerging evidence is revealing that it has a broader role, particularly in gut health. Both animal and human studies have ...

Scientists discovered that vitamin D2 supplements can lower levels of vitamin D3, the form the body uses most effectively. Unlike D2, vitamin D3 enhances the immune system’s first line of defense ...

Nearly a quarter of Americans are estimated to have a vitamin D deficiency. Why is that? A 2022 study of National Health and Nutrition Examination Surveys (NHANES) data estimated that about 22% of ...

Vitamin D helps maintain bone health and is found in certain foods, supplements, and sunlight when it interacts with the skin. Cholesterol is a fatty substance found in cells that helps make hormones ...

Vitamin D is widely known for boosting bone health, muscle strength and immune function, but it also has a range of other benefits — including cancer prevention. A new study published in the journal ...

Vitamin D deficiency is incredibly common, affecting an estimated one billion people worldwide. But a GP has warned that subtle signs of low Vitamin D levels can easily be missed, impacting your ...

While it's easy to draw a link between health conditions like high blood pressure and heart disease or type 2 diabetes and obesity, there are other illnesses and health woes that we would never think ...

Your body needs a wide range of vitamins and nutrients to run efficiently, but there are some that are harder to get from foods than others. Vitamin D is one of them. While some foods do contain ...

What Exactly Is Vitamin D? Despite its name, vitamin D isn't a vitamin—it's a hormone. Unlike traditional vitamins that we must obtain solely from food, our bodies can produce vitamin D naturally when ...