Your nutrition plan. Built around your life.

Standard nutrition advice wasn't designed for your world. Grunt Grub gives you a plan that works around your shifts, your schedule, and your mission, not a gym timetable.

Your free 15-minute call. No pitch. No obligation.

You serve under pressure. Your nutrition should too.

Ready to:

  • Fuel your ruck without hitting the wall at mile 8

  • Recover after your shift instead of just surviving it

  • Stop relying on caffeine and adrenaline to get through your day

  • Perform at your best when it actually matters

Who We Work With

  • Active Duty

  • Combat Veterans

  • Law Enforcement

  • Fire Fighters

  • EMT & Paramedics

  • National Guard

  • Reservists

  • Athletes

  • And More…

Trusted By:

  • Thorn
  • Modern Athlete

Work With Grunt Grub

Your level of support. Your choice.

Every path starts with your free 15-minute strategy call, no obligation, no pressure. Just a clear picture of what your nutrition needs to look like.

  • Free Field Guide

    $0

    Free

    Your first step. Download your field nutrition guide and start applying real-world fuelling strategies to your schedule today.

    • Your 7-day sample meal plan

    • Your shift-work fuelling framework

    • Pre- and post-training nutrition guide

    • Instant PDF — yours immediately

    Download Free Guide
  • A La Carte Coaching

    From

    $149.99

    / Session

    Duration: 1 Session

    Flexible

    You need targeted guidance on one specific goal. Pick the support you need, when you need it — no long-term commitment required.

    • 1 (60min) coaching call

    • Post-session summary

    Book Your Free Consult
  • 1:1 coaching

    $299.99

    / Month

    Duration: 3 Months

    Most popular

    Your plan. Your schedule. Your goals. Full personalised coaching with ongoing adjustments and direct access — maximum support, maximum results.

    • 1 (45-60min) coaching call monthly

    • Unlimited access via chat with coach for general Q & A

    • Full access to online nutrition basic training course

    • Digital copy of nutrition and meal prep guide

    Book Your Free Consult

Here's what you can expect, straight from people like you

  • "The only thing more impressive than Erik’s knowledge of nutrition is his ability to build a relationship with a client."
    A.R.Former Client

Your Grunt Grub Field Nutrition Guide

Free download — yours today

Practical fuelling strategies written around your schedule, not a gym timetable. You get a 7-day meal plan, a shift-work timing guide, and quick-prep ideas you can actually use when your day goes sideways.

  • Your 7-day meal plan built for real-world schedules

  • Your shift-work meal timing framework

  • Pre- and post-training fuelling guide

  • Quick-prep meals for when your day gets unpredictable

Free Guide Form

You've been handed plans built for someone else's life. That ends here.

Standard nutrition advice assumes you have predictable mealtimes, full control over your food environment, and a nine-to-five schedule. If you're active duty, working rotating shifts, or training around a demanding job, none of that applies to you.

You deserve a plan that accounts for your real world, your shifts, your deployments, your training demands, your constraints. That's the only kind of plan Grunt Grub builds.

I'm Erik Grohmann, Registered Dietitian. I've spent 5 years building nutrition systems for operators and first responders because I know the standard playbook doesn't work for you, and you deserve better than guesswork.

Why Your Plan Is Different

Learn More About Your Coach

Here's Exactly What Happens When You Book

  • You Book Your Call

    15 minutes. You tell us where you're at and what your schedule looks like. We tell you what your nutrition needs to do for you. No pitch, no pressure.

  • You Get Your Plan

    Your personalised nutrition plan is built around your life, your shifts, your training, your goals, your constraints. Not a template with your name on it.

  • You Execute and We Adjust

    You have ongoing support and a coach who adjusts your plan as your goals evolve. You're not on your own the moment you sign up.

Your nutrition plan is one call away.

Book your free 15-minute strategy call. You tell us your schedule, your goals, and your constraints. We'll tell you exactly what your nutrition needs to look like. No pitch. No fluff.

Book Your Free Consult

Free. 15 minutes. Yours with no obligation.