AUTHOR=Magrone Thea , Haslberger Alexander , Jirillo Emilio , Serafini Mauro TITLE=Editorial: Immunonutrient Supplementation JOURNAL=Frontiers in Nutrition VOLUME=6 YEAR=2019 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2019.00182 DOI=10.3389/fnut.2019.00182 ISSN=2296-861X