The Tactical Fueling System | Modern Athlete Strength Systems
Price increases April 27
Only 30 spots · Starts May 4
The Tactical Fueling System · 90-Day Small Group Coaching

Two Athletes.
Same Program.
Different Diets.
Different Results.

Your training plan is only half the equation. The athletes who get the best results aren't always the ones working the hardest — they're the ones who have figured out how to fuel the work. This course fixes the missing half.

$279 now — $379 after April 27 30 spots max Starts May 4
Secure Your Spot — $279
Erik Grohmann, Registered Dietitian
Course Details
  • Starts May 4, 2026
  • 90 days of structured coaching
  • Capped at 30 participants
  • Weekly live group coaching calls
  • Private group chat — direct coach access
  • Downloadable guides and resources
  • Led by Erik Grohmann, MS, RD
$279
One-time enrollment
Increases to $379 on April 27

Training Without
Fueling Is Guesswork.

Take two athletes and put them on the exact same training program. Give one of them a diet that actually supports what they're trying to do — and leave the other one guessing. Come back in 90 days and you'll see two completely different athletes.

That gap isn't talent. It's not work ethic. It's nutrition. And most athletes either ignore it entirely or get lost in contradictory advice and overcomplicated approaches that don't last.

The confusion is real — how do you fuel hard training sessions while also hitting body composition goals? How do you stay lean, strong, and athletic all at once? These feel like competing priorities. They're not — but only if you understand the system behind them.

The goal isn't just to train harder.
It's to recover, adapt, and perform — every single time.
The Gap

Most athletes spend hours optimizing their programming and zero hours learning how to actually fuel it. Nutrition is treated as an afterthought — until the results stop coming.

The Confusion

Cutting for body composition or fueling for performance? You can do both — but only when you understand how to structure your nutrition around what your training actually demands.

The Fix

A clear, repeatable system built around your training — not a generic diet plan. Skills that transfer for life, not rules that fall apart the moment your schedule changes.

The Tactical
Fueling System

A 90-day small group coaching course led by a Registered Dietitian and Marine Corps Infantry veteran. This isn't a meal plan. It's a performance nutrition education — the skills, systems, and habits to fuel your training and your body composition goals simultaneously, for the rest of your life.

"You don't rise to the level of your goals.
You fall to the level of your systems."
— The foundation of this course

See What You're
Getting Into.

90 Days.
Three Phases.

The course moves through a deliberate progression — from understanding where you are, to building the foundation, to executing with confidence in the real world.

01
Phase 1
Assess

Establish your baseline. You'll fully assess your current diet, your knowledge of nutrition, and identify the specific gaps holding back your health and performance. No guessing — you'll know exactly what's broken and why before we build anything.

02
Phase 2
Build

Lay the foundation. You'll learn how to properly fuel your body using performance-driven strategies — dialing in macronutrients, hydration, micronutrients, and nutrient timing to support training, recovery, and body composition. Not theory. Applied practice.

03
Phase 3
Execute

Theory meets reality. You'll refine your system, adapt to real-world constraints, and develop the ability to fuel effectively whether you're in the gym, on the road, in the field, or operating under a demanding schedule. This is where the habits lock in.

One Enrollment.
The Full System.

This isn't a video course you watch and forget. It's a fully coached 90-day experience with direct access to a Registered Dietitian the entire time.

90 Days of Structured Content

A clear, progressive curriculum organized into three phases. Complete it on your own schedule with guided modules that build on each other from week to week.

Weekly Live Group Coaching Calls

Direct access to Erik every week for Q&A, troubleshooting, and deeper dives into key topics. Not pre-recorded. Not automated. Live coaching from an actual RD.

Private Group Chat

Stay connected between calls. Ask questions, share progress, and get real-time input from the coach. Erik actively monitors the group and responds directly — not a community manager, not a bot.

Instructor-Led Guidance

Erik is actively involved throughout the entire 90 days — monitoring the group, answering questions, and making sure every participant stays on track. This isn't a self-study program.

Small Group Format

Capped at 30 participants — no exceptions. That limit exists for one reason: to ensure every person in the group gets personalized attention, not a one-size-fits-all experience.

Downloadable Resources

Tools you keep forever — including the Warfighter Nutrition Guide, the "Prepped" Meal Prep Guide, and quick reference resources for key concepts you'll use in the real world.

Bonus Content
Real-World
Application

Beyond the core curriculum, you'll get additional resources built for the environments tactical athletes actually operate in — not just the ideal conditions of a training plan.

Bonus Topics Include
  • Nutrition strategies for field time and extended travel
  • Fueling during forced downtime — illness, injury, reduced training load
  • Eating for performance when your schedule is completely out of your control
  • Quick reference guides for key concepts

What You'll
Actually Learn

Six core areas of performance nutrition — taught by a credentialed expert, applied to your real training demands.

  • Human metabolism and body composition
  • Macronutrients — how to structure them for your goals
  • Hydration strategies for training and recovery
  • Micronutrients and their role in health and performance
  • Nutrient timing — when to eat, not just what to eat
  • Strategic supplementation — what works and what doesn't
What You Walk Away With
  • A clear, repeatable system for fueling performance — not a diet you'll abandon in three weeks
  • The ability to adjust your nutrition based on what your training actually demands — heavy days, light days, no gym days
  • Improved energy, recovery, and body composition — without choosing between performance and looking the part
  • Confidence in your fueling — no second-guessing, no confusion, no starting over every Monday
  • Tools that work in any environment — gym, field, travel, demanding schedule
Erik Grohmann, MS, RD
USMC Infantry Veteran
Erik Grohmann
MS, Registered Dietitian · USMC Infantry Veteran

Erik found his passion for nutrition and fitness during his time serving in the U.S. Marine Corps Infantry. After leaving service, he pursued that passion with the same commitment he brought to the Marines — earning his Bachelor's Degree in Nutrition and Dietetics from California State University Long Beach, then his Master's Degree in Nutrition and Dietetics from Mount Mary University.

His Master's thesis focused on improving health markers in the law enforcement community through diet intervention — which tells you exactly what kind of nutritionist he is. Not one focused on aesthetics for aesthetics' sake, but on building human beings who can actually perform under real-world demands.

Having operated in environments ranging from military service to office settings to high-performance athletics, Erik builds nutrition systems that work within the constraints of your actual life — not an ideal version of it.

MS in Nutrition and Dietetics — Mount Mary University
BS in Nutrition and Dietetics — California State University Long Beach
U.S. Marine Corps Infantry Veteran
Master's thesis: Improved health markers in law enforcement through diet intervention

"My biggest struggle before Erik's course was poor body composition despite having a structured training routine. I also had a hard time sustaining energy during workouts and recovering efficiently. On top of that, I grew up with a pretty unhealthy relationship with food — I didn't fully understand how to properly fuel my body. Erik's course completely changed that. It gave me a clear understanding of how much our active bodies actually need and why. Learning how to fuel pre-, intra-, and post-workout has made a huge difference in helping me reach my bigger goals. Since applying what I've learned, my energy levels have improved dramatically — not just in my workouts, but in day-to-day life. I'm even sleeping better, which was an unexpected bonus. The material is so well laid out and easy to apply, even with a busy lifestyle."

Course Participant · Tactical Fueling System

Is This
Right for You?

This is for you if...
  • You train consistently but your nutrition is inconsistent, unclear, or just guesswork
  • You want to improve body composition without sacrificing performance or energy
  • You're tired of conflicting nutrition advice and want a system from someone with real credentials
  • You want direct access to a Registered Dietitian — not a generic online course
  • You're ready to treat nutrition as seriously as you treat your training
  • You want tools that work in the real world, not just in ideal conditions
This is not for you if...
  • You're looking for a 30-day quick fix or a crash diet
  • You want someone to hand you a meal plan and do all the thinking for you
  • You're not willing to show up consistently for 90 days
  • You're not open to changing how you currently think about food and fueling

Lock In Your
Spot Now.

The price increases April 27. The course starts May 4. There are 30 spots — no exceptions.

Price increase in
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Now through April 26
$279
Enroll before the deadline
Enroll Now
April 27 and beyond
$379
Price after deadline
Don't wait on this one.
Secure Your Spot — $279
Starts May 4 · 30 spots max · No refunds after course begins

Common
Questions

No. The course is built around the principles of performance nutrition that apply to any serious athlete. Whether you're active duty, law enforcement, a competitive athlete, or someone who trains hard and wants to fuel properly — the system works. The framework is performance-focused, not branch-specific.
Life happens. Calls will be recorded so you can review them on your own schedule. You also have access to Erik through the private group chat between calls — so missing a call doesn't mean missing the coaching.
It's an education — and that's intentional. Meal plans tell you what to eat. This course teaches you how to think about fueling so you can make the right decisions in any situation, with any food available, for the rest of your life. That's far more valuable than a PDF with recipes.
Most programs give you rules to follow, not systems to understand. When the rules don't fit your schedule or your environment, you abandon them. This course builds the foundation — so you understand the why behind every decision. That understanding travels with you regardless of where you are or what's available.
You keep everything — the curriculum, the downloadable resources, and the knowledge. The goal of the 90 days is to build a system you can run independently forever. You won't need another course after this.
Because personalized coaching doesn't scale infinitely. Erik is actively involved throughout the entire 90 days — answering questions, monitoring progress, and giving individual feedback. That level of attention requires keeping the group small. When the 30 spots are gone, enrollment closes.
Yes — and that's exactly the point. This course is designed to complement your existing training, not replace it. You'll learn to fuel whatever training you're currently doing more effectively. If you're on the Warfighter program, the two work together directly.

Don't Leave Your
Results on the Table.

You're already putting in the training. This is the piece that makes it count. 30 spots. Starts May 4. $279 until April 27 — then $379.

Secure Your Spot — $279
Starts May 4 30 spots max Price increases April 27 Led by Erik Grohmann, MS, RD