About Justin
I'VE BEEN WHERE YOU ARE.
Two decades in the gym. Every mistake made. Every lesson learned. Now I help others skip the hard part.
The Story
WHY I BUILT THIS
I started training over 20 years ago — not because I had it figured out, but because I didn't. I was frustrated, confused, and following advice that was never designed for someone like me. Generic programs. Conflicting information. No real accountability.
I made every mistake in the book. I overtrained. I underate. I chased programs that looked impressive but produced nothing. I spent years spinning my wheels before I finally started learning what actually works — not what sells supplements or gets clicks, but what genuinely moves the needle for real people with real lives.
Eventually I started competing as a natural bodybuilder. That process forced me to get precise — about training, nutrition, recovery, and mindset. It stripped away everything that didn't matter and left only what did.
I built Naturally Jacked Coaching because I wanted to give people what I wish I'd had: a coach who's actually been there, who gives you a real plan built around your body and your life, and who shows up consistently to help you execute it.
Justin Groth
Founder · Head Coach
Credentials
QUALIFIED TO COACH. PROVEN IN THE GYM.
20+ Years of Training Experience
Two decades of hands-on experience — competing, coaching, and refining what actually works.
CERTIFIED Personal Trainer
Certified through the International Sports Sciences Association, one of the most respected certifications in the industry.
Master Trainer
Advanced certification recognizing expertise across multiple disciplines of fitness and coaching.
Natural Competitive Bodybuilder
Competed as a natural bodybuilder — the discipline that sharpened my approach to programming and nutrition.
The Philosophy
NO FLUFF. NO GIMMICKS. JUST WHAT WORKS.
The fitness industry is built on complexity and confusion — because confused people buy things. I built this coaching practice on the opposite principle: simplicity, consistency, and fundamentals that actually produce results. You don't need a 12-week shred program. You need a sustainable system built around you.
Fundamentals First
Training, nutrition, recovery, and mindset. Master these and everything else takes care of itself.
Built Around You
Your body, your schedule, your preferences, your life. A plan that doesn't fit your reality won't get followed.
Long-Term Thinking
I'm not interested in fast results that don't last. I'm interested in building something you can sustain for years.
Real Accountability
Not check-in theater. Genuine monitoring, honest feedback, and adjustments that keep you moving forward.
The Community
MORE THAN COACHING
Naturally Jacked Coaching isn't just a one-on-one relationship. It's a community of people who are serious about building something real — without the gimmicks, without the shortcuts, and without the noise. When you join, you get access to fitness fundamentals, mindset and habit resources, and a genuinely active community where I show up, answer questions, and celebrate your wins.
JOIN THE COMMUNITYREADY TO WORK WITH ME?
If you're done guessing and ready for a plan that actually fits your life, let's get started.