(NaturalNews) Regularly exposing your skin to natural sunlight is arguably the best way to maintain optimal levels of vitamin D. But according to researchers from the Arizona Cancer Center (ACC), not everyone gets enough vitamin D from the sun, which means they may need to supplement in order to maintain optimal levels.

"Seventy-five percent of Tucsonians are actually below the target levels that we want them to be at and part of that is because of the ethnic make up of Tucson," explained Dr. Beth Jacobs from ACC.

People with darker skin tones tend not to benefit as much from sunlight exposure as people with lighter do. Though lighter-skinned people tend to get sunburned more easily, their skin is more respondent to the ultraviolet (UV) rays from the sun that trigger vitamin D production in the body.

 

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