Professional Membership with the International Society for Orthomolecular Medicine is available to medical doctors; psychiatrists; pharmacists; naturopathic doctors; nurse practitioners; nutritionists, physician assistants; osteopathic doctors; and other health care professionals.

ISOM Membership is offered on an annual basis and expires one year from the date of application. Members receive valuable benefits, including:

Students enrolled in an accredited medical, pharmaceutical sciences, or nutrition program may apply to receive complimentary membership status and qualify for continuing education scholarship opportunities. Please contact Membership Administration for additional information.

New Applicants are required to establish a user account for payment processing and access to online resources.

Existing Members (for annual renewal) should log in via ‘My Account’ located in navigation menus.

* Eligibility criteria, a processing fee, and additional conditions may apply.