Nutrition.gov is a service of the national agricultural library, U.S. Department of Agriculture. This is a valuable page with information on food safety as well as links to dietary guidelines from the US government.

The United States Department of Agriculture Food and Nutrition Information Center has been a leader in food and human nutrition information dissemination since 1971. The site provides credible, accurate, and practical resources for nutrition and health professionals, educators, government personnel and consumers.

The USDA National Nutrient Database for Standard Reference is the major source of food composition data in the United States. It provides the foundation for most food composition databases in the public and private sectors.. The database is indexed to facilitate easy access to current global news regarding research and breakthroughs in the field of nutrition and food science. Key areas covered include food science and technology, functional foods, nutraceuticals and supplements, physiology and biochemistry of nutrients, public health nutrition, etc.

The Centers for Medicare & Medicaid Services (CMS) expanded Medicare’s national coverage of bariatric surgery for all Medicare beneficiaries. For seniors, who have experienced high complication rates in some settings, Medicare will cover the procedure only in high-volume centers that achieve low mortality rates. Bariatric surgery is not the first option for obesity treatment, but when performed by expert surgeons it is an important option.

Founded in 1901, NIST is a non-regulatory federal agency within the U.S. Commerce Department's Technology Administration. NIST's mission is to promote U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.