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CrossFit × MetFix
Online Classes

You Are a Master
of Movement.
Now Master the
Metabolism.

MetFix's online classes bring the science of metabolic health to CrossFit coaches and athletes. Coach complete health — not just fitness. Nine courses. Every audience. One mission.

Start Free — What Is MetFix? →Browse All Courses

Start Here — Always Free

The Foundation Course

What Is MetFix?
Always Free

Free · Start Here

What Is MetFix?

The Metabolic Fix

The framework that explains why fit people get sick, why decade-long members stay stuck, and what coaches can do about it. This is the class that changes how you see fitness — and health. Six chapters. Fifteen lessons. Zero cost. Start here.

  • ✓Why metabolically healthy athletes still get chronic disease
  • ✓The cortisol-insulin cascade — and how to interrupt it
  • ✓What MetFix coaching looks like inside a CrossFit gym
Free6 Chapters · 15 Lessons
Start the Class →

Complete Curriculum

All MetFix Courses

9 Courses · Every Audience

The Missing Manual

Women's Health

The Missing Manual

Perimenopause, Menopause & the Science They Kept From You

This is the course that should have existed twenty years ago. Nineteen lessons across six modules — built on peer-reviewed research and the conviction that women deserve to understand their own biology. If your symptoms have been dismissed, minimized, or called 'normal,' this course is for you.

  • The hormonal biology of perimenopause — what's actually happening
  • Metabolic changes at midlife and how to train around them
  • Evidence-based protocols current through 2026
19 Lessons · 6 Modules
$500
MetFix Essentials
Coming Soon

Core Curriculum

MetFix Essentials

The Complete Metabolic Health Curriculum for CrossFit Professionals

You've mastered movement. Now go deeper. MetFix Essentials is the complete metabolic health curriculum for CrossFit professionals who want to coach complete health — not just fitness. Practical protocols for insulin resistance, metabolic dysfunction, and chronic disease prevention inside the gym.

  • Advanced metabolic assessment tools for coaches
  • Protocols for coaching clients with insulin resistance
  • Integrating MetFix into your existing CrossFit programming
Coming Soon
$500
Fit for Duty
Grant Eligible

First Responders

Fit for Duty

Mind. Metabolism. Mission. — Survive the Shift. Survive the Career.

The complete first responder health system. Law enforcement officers live to 57. Forty-five percent of firefighter on-duty deaths are cardiac events. Sixty-three percent of ER nurses report clinically significant burnout. This course addresses the metabolic health, mental resilience, and occupational longevity of the people who run toward danger.

  • Cortisol, insulin, and the biology of shift-work breakdown
  • Go-bag protocol, hotel room survival, and field-ready nutrition
  • Eligible for COPS LEMHWA, FEMA AFG, and IADLEST NCP funding
11 Modules · 10+ Contact Hours
$199

Grant Eligible

Athletic Teen Performance

Teen Athletes

Athletic Teen Performance

Train. Fuel. Perform. — The No-BS Guide for Teen Athletes

Built for teen athletes 13–18 on the MetFix Foundations curriculum. No supplements. No perfect diet. No supplement ads. Just the truth about how the body works — and a 30-day daily structure to put it into practice. Bodyweight and at-home workouts. Real science, built for real teenagers.

  • Fuel Protocol: what teen athletes actually need to eat
  • Stress & cortisol — your body doesn't know the difference between a test and a bear
  • The Nutrition Lies: how bad science and corporate money broke the food system
14 Modules · 30-Day Daily Fix · App Included
Free
MetFix Medical Nutrition
HHS Mandate 2026

Medical Education

MetFix Medical Nutrition

The Science of Metabolic Medicine — 40-Hour CME Curriculum

A 40-hour CME-eligible curriculum for medical students and physicians, aligned with all 71 HHS competency requirements under the MAHA Commission initiative. The HHS mandate deadline is Fall 2026. Fifty-three medical schools have already committed. This is the course that closes the gap between what medicine knows and what it teaches.

  • Systems-biology framework for metabolic disease — not just symptom management
  • Evidence-based dietary protocols for reversal of type 2 diabetes and fatty liver
  • Satisfies the 40-hour HHS nutrition education requirement
6 Modules · 40 Contact Hours · 71 HHS Competencies
$199
Navigating the Healthcare System

Patient Education

Navigating the Healthcare System

Patient Academy — Take Back Control of Your Health

The healthcare system is designed around treating disease, not preventing it. Patient Academy gives you the knowledge to navigate it — understanding your labs, your options, and the metabolic science your doctor may not have time to explain. Your health is too important to leave entirely to someone else.

  • How to read your own metabolic labs — and what they actually mean
  • The questions your doctor doesn't have time to answer
  • A science-based framework for managing chronic disease without dependence
Self-Paced · Evidence-Based
$199
Coaching GLPs
Coming Soon

Coaching

Coaching GLPs

How to Coach Clients on GLP-1 Medications

GLP-1 medications like Ozempic and Wegovy are now in your gym. Your clients are on them — and they need a coach who understands the metabolic implications. This course prepares CrossFit coaches to work effectively with GLP clients: preserving muscle, optimizing nutrition, and delivering outcomes that the medication alone cannot.

  • The biology of GLP-1 medications — what they do and don't do
  • Muscle preservation protocols for clients in caloric deficit
  • Programming and nutrition strategies specific to GLP clients
Coming Soon
$199
Fueling for Performance
Coming Soon

Performance Nutrition

Fueling for Performance

Competition Nutrition for CrossFit Athletes

Most CrossFit athletes train hard and eat wrong. Fueling for Performance is the evidence-based nutrition course built specifically for competitive CrossFit athletes — covering macronutrient timing, metabolic flexibility, competition-day protocols, and the science behind peak output. Train smarter. Fuel better. Perform at your ceiling.

  • Macronutrient timing for WODs, strength work, and competition
  • Metabolic flexibility — training your body to burn both fat and carbs
  • Competition-day nutrition protocols for peak output
Coming Soon
$199

CrossFit × MetFix

The Movement Was
Always About Health.

CrossFit gave the world a better way to move. MetFix gives coaches and athletes a better way to understand the body that moves. Together, they close the loop between fitness and complete metabolic health.

Start Free — What Is MetFix? →← Back to CrossFit.com