"The American Society for Nutrition (ASN) is a non-profit organization dedicated to bringing together the world's top researchers, clinical nutritionists and industry to advance our knowledge and application of nutrition for the sake of humans and animals."
"The American Society for Parenteral and Enteral Nutrition (A.S.P.E.N.) is dedicated to improving patient care by advancing the science and practice of clinical nutrition and metabolism."
"...provides credible, accurate, and practical resources for nutrition and health professionals, educators, government personnel and consumers." From the USDA.