Important information is missing here, you age, gender, and race. (I am not asking you to provide this information, I'm suggesting people see medical advise bef

Important information is missing here, you age, gender, and race. (I am not asking you to provide this information, I'm suggesting people see medical advise before arbitrarily starting a supplement) Your skin's pigment density is an important aspect of how you handle sunlight. Your ability to process these chemicals is a function of all three, lifestyle, and other health factors. http://www.medscape.com/viewarticle/715417 http://www.medscape.com/viewarticle/715417 http://en.wikipedia.org/wiki/Vitamin_D http://en.wikipedia.org/wiki/Vitamin_D