All products are independently selected by our editors.

If you buy something, we may earn an affiliate commission.

Getting enough vitamin Dwhich is responsible forboosting our immunityand aiding withcalcium absorptionis really important.

How To Get Enough Vitamin D Once Fall Begins

Klaus Vedfelt/Getty Images

Vitamin D helps to regulate calcium and phosphate levels, which affect our bones and muscles.

While often thought of as a mineral, it is a hormone that we primarily synthesize from the sun.

How does vitamin D function in the body?

The liver and kidneys then convert stowed-away vitamin D into the active form that the body requires when necessary.

Insevere cases, long-term vitamin D deficiencies can cause rickets in children and osteoporosis in adults.

Nasser says that maintaining a good level of vitamin D during the autumn can help prevent colds and flus.

This should not be practiced without wearing abroad-spectrum SPFduring the summer, when sun exposure is at its highest.

How do I know if I am vitamin D deficient?

Which foods are rich in vitamin D?

Oily fish is a great source of vitamin D (and protein too).

Always consult the advice of a primary-care physician before creating a supplement plan.

A version of this article first appeared onBritishVogue.