HDL levels should always be higher, and LDL levels lower. HDL can help lower your risk for heart disease and stroke. The range of HDL required can also vary based on sex. For example, healthy HDL ...

Medically reviewed by Aviv Joshua, MS Vitamin D levels can be measured with a blood test. This test can indicate whether you have adequate levels, are at risk of a vitamin D deficiency, or have ...

According to the latest Statistics Canada report from 2015, in the winter, about 40 per cent of Canadians were below the appropriate cut-off of vitamin D levels needed for healthy bones — 50 nmol/L.

When the patient’s serum 25-hydroxyvitamin D was first measured, it was 241 nmol/L, consistent with the patient’s reported long-term vitamin D intake but almost double the top of the reference range ...

Vitamin D affects how your immune system works, and plays a role in controlling certain types of inflammation, including the type that leads to autoimmune diseases. It’s common for people with lupus ...

Notably, exercise completely preserved the body's active form of vitamin D (1,25 (OH)₂D₃), which plays a key role in supporting bone health, the immune system, and various organs.

There’s really no need for most people to supplement with more than 600 to 800 IU per day, but if you are deficient and having a hard time getting your vitamin D level up to a normal range, it ...

Vitamin D and cholesterol share a complex relationship. While vitamin D may help lower cholesterol levels, some studies suggest vitamin D can actually raise them.