View Functional Nutrition's top competitors like American Nutrition Association® (ANA), Functional Medicine Coaching Academy Inc., and Holistic Nutrition Lab.
The Institute for Integrative Nutrition (IIN) is the world’s leading health coaching and wellness school.
For over 30 years, we’ve pioneered the field of health coaching and continue to shape its future. With 180,000+ graduates across 175 countries, IIN remains the most recognized and respected name in the industry.
Our flagship Health Coach Training Program™ and specialty courses in Gut Health, Hormone Health, Whole-Person Health, and more deliver a curriculum grounded in science and constantly evolving with the latest in wellness, coaching, and healthcare trends.
As a licensed school and an NBHWC-approved, NASM/AFAA-recognized, and Yoga Alliance–approved provider, IIN sets the global standard in health and wellness education.
💡 Choose the school that started it all — and continues to lead it. Change your life, then change the world.
World’s top nutrition, health, and lifestyle coaches, and the company professionals turn to for advice.
We transform how people look, feel, and perform through education, technology, and expert coaching, with industry-leading behavior-change solutions for both individuals and health and fitness professionals.
Our program combines:
1. Our work with 8 NFL, NBA, and NHL teams + 6 world champions
2. The expertise of 7 PhDs, 2 MDs, and 3 RDs
3. 20,000+ hours of research & development
4. Proprietary insights from coaching over 150,000 clients
5. 1100+ scientific citations
PRODUCTS
Precision Nutrition Level 1 Certification
Self-paced course rooted in behavior change in nutrition and lifestyle, equipping health enthusiasts and coaches to turn what they learn into lasting results.
Precision Nutrition Level 2 Certification
Immersive year-long mentorship, working directly with a Master Coach to build unparalleled elite level behavior-change coaching skills that allow them to solve the toughest client cases and help anyone achieve life-changing results.
*Must complete Level 1*
Precision Nutrition ProCoach
Proprietary software platform enabling health and fitness professionals to deliver the very same practice-based behavior-change program to their clients that we’ve used to help over 150,000 clients get in the best shape of their lives.
Precision Nutrition Coaching - 1-1 Coaching Program by PN Experts
A scientifically-proven behavior-change program that helps people eat, move, and feel better by adopting healthy nutrition and lifestyle habits. Includes practice-based daily lessons, personalized plan, and feedback that's curated for each individual client.