Keep Your Contact Information Current

We receive many requests for referrals to CNSs. Please ensure that we have your updated contact information and that you are current with your fees and recertifications. We are unable to recommend CNSs whose credential is not current. To update your contact information, or if you have questions on the status of your CNS credential, please contact us at

Harry G. Preuss, MD, MACN, CNS Authors New Book

Remember when everything was low fat? After a study on the effect of sugar and fat on the body, fat was labeled a toxic substance by the health industry. It’s no coincidence that the obesity epidemic began soon after. Dr. Preuss has devoted his career to studying nutrition and knows the true culprit behind high cholesterol: sugar. Read more.

Fall Certification Examination for Nutrition Specialists

Sunday, November 12, 2017
Multiple US Locations

The Fall 2017 Certification Examination for Nutrition Specialists will be offered Sunday, November 12. Applications for this exam are due Friday, September 15, 2017Learn more.