... in your diet Find out if you are absorbing enough vitamin E. Certain disorders cause problems with ... symptoms of vitamin E deficiency (not getting or absorbing enough vitamin E) or of vitamin E excess ( ...

... exposure to sunlight Having a darker complexion Difficulty absorbing fat in your diet In addition, breastfed babies ... enough vitamin D in your diet Having trouble absorbing vitamin D in your food A low result ...

... rare condition that prevents the small intestine from absorbing nutrients Low results may also be caused by ...