The vitamin is needed to regulate the amount of calcium and phosphate in the body.
A lack of vitamin D can lead to serious complications, including osteomalacia, rickets, or some deformities.
One of the easiest ways to avoid a deficiency is to add more vitamin D-rich foods to your diet.
Swordfish is one of the best foods to add to your diet, according to the Cleveland Clinic.
READ MORE: Vitamin D deficiency – what foods are high in vitamin D?
“Vitamin D doesn’t occur naturally in many foods. That’s why certain foods have added vitamin D,” said the Cleveland Clinic.
“In fact, newer food nutrition labels show the amount of vitamin D contained in a particular food item.
“It may be difficult, especially for vegans or people who are lactose-intolerant, to get enough vitamin D from their diets, which is why some people may choose to take supplements.
“It is always important to eat a variety of healthy foods from all food groups.”