Getting enough vitamin D? Probably not even if you spend a lot of time in the sun. Vitamin D is a group of fat-soluble secosteroids, the two major physiologically relevant forms of which are vitamin D2 and vitamin D3. Vitamin D3 or sunshine vitamin is produced in the skin of vertebrates after exposure to ultraviolet B light from the sun or artificial sources, and occurs naturally in a small range of foods. Foods that are natural sources of vitamin D are sardines, mackerel, herring, and salmon. Vitamin D – fortified foods, such as low-fat or fat-free milk, reduced-fat cheese, and some whole-grain cereals and studies show that spending 10 to 15 minutes in the sun while unprotected (that is, without sunscreen) two to three times a week can boost your vitamin D levels.
Studies have also found that a deficiency in vitamin D can hamper a person’s ability to lose weight effectively
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