20 June 2013 --- A study published in the Journal of Clinical Endocrinology & Metabolism is the first report of an oral probiotic supplement significantly increasing circulating vitamin D levels in the blood. The lead author on the study, Mitchell Jones, MD, PhD, received the Early Career Investigator Poster Presentation Prize from the New York Academy of Sciences and the Sackler Institute for Nutrition Science at last week's Probiotics, Prebiotics, and the Host Microbiome: The Science of Translation conference in New York City(1).