Welcome to the GNI

The Guild of Naturopathic Iridologists exists to protect the public by upholding the highest professional standards. We maintain an international register of qualified iridologists and support our members with ongoing education so they can continue to offer safe, up‑to‑date, evidence-informed care.

Online course cover titled "An Introduction to Modern Iridology with John Andrews," scheduled for January 21, 2026, with a blue label indicating it is part 2 and a certificate badge for CPD-certified with GNI, featuring a blurred background of iridology charts.

Current Event

Join us for John Andrews' Modern Iridology course, Part 2 on Wednesday, 21st January, 2026

If you missed Part 1, contact us now. If you have already attended Part 1, you will receive the joining link 24 hours ahead of the live session.

Learn more

“Thank you to the GNI for doing so much for the profession and providing amazing symposiums.”

— Olivier