Vitamin D deficiency (serum 25-hydroxyvitamin D (25 (OH) D)< 50 nmol/L or 20 ng/mL) is
common in Europe and the Middle East. It occurs in< 20% of the population in Northern …

Vitamin D deficiency is associated with osteoporosis and is thought to increase the risk of
cancer and CVD. Despite these numerous potential health effects, data on vitamin D status …

Background Evidence recommends that vitamin D might be a crucial supportive agent for
the immune system, mainly in cytokine response regulation against COVID‐19. Hence, we …

Purpose This paper visualizes the available data on vitamin D status on a global map,
examines the existing heterogeneities in vitamin D status and identifies research gaps …

Background: The Middle East and North Africa (MENA) region registers some of the highest
rates of hypovitaminosis D worldwide. Aim: We systematically reviewed the prevalence of …

Background Vitamin D insufficiency is highly prevalent. Most of the studies concerning
vitamin D status were generated from countries situated at temperate latitudes. It is less clear …

Background Vitamin D deficiency is highly prevalent in both temperate as well as tropical
countries. Obesity is one of the factors contributing to vitamin D deficiency. As our country …

Serum total 25‐OHD is a main marker of vitamin D which represents the intake and sunlight
exposure. Free form of 25‐OHD, the small fraction not bound to a transporter protein has …

The vulnerability of human health is amplified in recent times with global increase in non-
communicable diseases (due to lifestyle changes and environmental insults) and infectious …

With the growing demand for nutraceuticals, there is renewed interest in tapping different
resources, preferably from non-animal sources. This review discusses two major …