American Council for Holistic Medicine (ACHM)
Offers board certification for practitioners at every level of training.
The accrediting body for natural health schools.
Food Enzyme Institute
Excellent workshops and education in enzyme and nutritional therapy.
Guardian Ecclesiastical Holistic Association (GEHA)
A unique USA association that offers a license to practice Bible-based healing arts.
International Iridology Practitioners Association (IIPA)
Iridology Certification