Become a Certified Functional Diagnostic Nutrition® Practitioner

FDN Certification · Now in South Africa

From testing to transformation

Take your knowledge of functional health and laboratory testing to the next level.

Designed for healthcare and wellness professionals, dietitians, nutrition and fitness professionals, health coaches, homeopaths and wellness entrepreneurs, as well as anyone ready to build a new career in functional health.

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Study at your own pace

A comprehensive, self-paced online program, typically completed in 6–12 months around your work and personal commitments. Grow an existing practice, add functional testing to your services, or start a new career.

What you’ll learn

How to use and interpret six foundational functional lab tests, covering hormones and the stress response, gut health, GI pathogens and the GI-MAP, food sensitivities and Metabolic Typing®. It all comes together in the D.R.E.S.S. for Health Success® protocol: Diet, Rest, Exercise, Stress reduction and Supplementation.

Learn how to work with real clients

FDN goes beyond theory. You’ll learn client intake, choosing the right tests, interpreting results, building personalised programs, and using follow-up testing to track progress and adjust along the way.

What to expect

You’ll complete five functional lab test kits on yourself, from sample collection to interpreting your own results. The course also includes online modules, downloadable videos, audio and PDF materials, case studies, support from FDN mentors, and written and oral final exams.

Biometrix Labs × FDN

Bringing FDN to South Africa

As a South African functional laboratory testing provider, Biometrix Labs is making FDN training and advanced lab testing more accessible to local practitioners and students, helping grow a knowledgeable, well-trained functional health community here at home.

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The FDN approach is not intended to replace medical diagnosis or treatment. Functional Diagnostic Nutrition®, D.R.E.S.S. for Health Success® and Metabolic Typing® are registered trademarks of their respective owners.