A vitamin D deficiency may occur if one doesn't get enough exposure to sunlight.

Vitamin D (Calciferol) Signs of Deficiency, Overdose, Toxicity

Signs of Vitamin D (Calciferol) Deficiency Humans have evolved to obtain most of our vitamin D from exposure to sunlight. Before contemporary times, people used to spend much more time, on average, outside in the sunlight. This made vitamin D deficiency a rather rare occurrence. However, in modern society, we tend to spend far less […]

Vitamin D has many health benefits.

Vitamin D (Calciferol) Benefits and Function

Benefits of Vitamin D (Calciferol) To get the full benefits of Vitamin D, it is important to maintain consistent and optimum levels of vitamin D in the body. This is most easily achieved by getting sufficient exposure to sunlight, as there are few dietary sources of vitamin D. Vitamin D is a critical nutrient that has […]

Milk is one of the best dietary sources of vitamin D.

Vitamin D (Calciferol) Dietary Sources and Daily Requirements

Good Dietary Sources of Vitamin D (Calciferol) The primary method by which humans get vitamin D is through getting sufficient and regular exposure to sunlight. Vitamin D production is initiated when skin cells are exposed to sunlight or ultraviolet (UV) rays. In fact, it is almost impossible to intake adequate quantities of vitamin D through […]