- Children Living with Inherited Metabolic Diseases - Climb provides advice, information and support to families and professionals affected by metabolic diseases. Also funds research.
- French Society for Vitamins and Biofactors - Knowledge database on vitamins. Scientific committees, steering committee, and aims of the organization. Quality insurance for vitamin measurement organized by the SFVB.
- International Association for the Study of Obesity - Network of professionals working in obesity research and education offering reports, conferences, awards, a number of task forces, education, conference organization services, membership, and journals.
- International Council for Control of Iodine Deficiency Disorders - Promotes the elimination of IDD. Newsletter and country information.
- James William Lazzaro Foundation - Details about this non-profit organization that promotes awareness, detection, treatment and prevention of genetic metabolism disorders.
- Manuela Martinez Foundation for Children with Metabolic Diseases - The M.M.F. is dedicated to the research, diagnosis and treatment of children with lipid diseases, Zellweger's Syndrome, Infantile Refsum's, and other peroxisomal diseases.
- Metabolic Dietary Disorders Association - A self-help, family-support charity for those with inborn errors of metabolism or metabolic disorders partially controlled by medically prescribed diet.
- NIDDK : Weight-Control Information Network - Established in 1994 to provide health professionals and consumers with science-based information on obesity.
- Syndrome X Association - Support and education for those suffering from obesity, insulin resistance, PCOS and a host of related conditions that make up Metabolic Syndrome X.
