Healthy volunteers needed for study of nutrition supplements and the skin

Research study seeks volunteers between ages 18 and 70 with no recent or current antibiotic use and who don't smoke. Study involves two blood draws, two sets of urine collections, three weeks of vegetable free diet, ten UVB irradiated spots on the buttock the size of a nickel, eight punch biopsies on the buttock, and eight on site study visits to JHMI campus. Compensation is $300.