Vitamin D3 5000 IU 90 Capsules

Vitamin D is one of the main fat-soluble vitamins, along with vitamins A, K, and E. These fat-soluble vitamins are unique in the body as they act similar to hormones in that they enter the cell, enter the nucleus, regulate gene expression, and orchestrate numerous metabolic processes. They are vital to optimal health, and deficiency is prevalent. Where does it come from? Vitamin D is found in food sources such as oily fish, eggs, liver, mushrooms, and some milk and cheeses, as well as in certain fortified foods and Cod Liver Oil. It is also created in the body from cholesterol under skin exposure to UVB radiation from the sun. Sun exposure can make enough Vitamin D to prevent deficiency. However, most of us in North America are too far north of the equator and use too much sunscreen to make this possible. Suboptimal Vitamin D levels are the norm in this country. The popularity of the importance of Vitamin D has grown over the past 20 years to the point where even conventional medical d