Nearly three decades of science-based transformation. One trainer. One mission: your results.
For nearly three decades, Matt Jahnel has been at the forefront of health transformation — a Personal Trainer, Nutritionist, and performance strategist whose science-based methods have helped thousands of people achieve what once felt impossible.
His approach blends the latest in exercise science, metabolic optimization, and evidence-based nutrition to help clients unlock their full potential — not just for a season, but for life.
Matt's expertise has made him a trusted consultant for physicians, gyms, and wellness facilities nationwide. His work bridges the gap between science and real-world results — empowering each client to look, feel, and perform at their absolute best, regardless of age or starting point.
Every program is precision-crafted and tailored to you — zero cookie-cutter protocols.
Train one-on-one with Matt in his private, fully-equipped studio. No crowded gym floors. No distractions. Just you, your goals, and nearly 30 years of expertise focused entirely on your transformation.
Get Matt's world-class training and nutrition expertise no matter where you are. Online coaching delivers the same science-backed, personalized programming — built around your life, your schedule, and your specific goals.
"Results speak louder
than promises."
Matt believes every body has the power to transform — it simply needs the right roadmap. His methods are precision-crafted, tailored to each individual, and backed by nearly 30 years of results that speak for themselves.
Build a body that performs as powerfully as it looks. True, functional strength that lasts decades.
Metabolic optimization so you wake up ready to dominate — every single day.
Evidence-based nutrition that creates lasting change from the inside out — the natural way.
Train in a premium, fully private environment. No memberships. No strangers. Just elite coaching in an elite setting.
Free workouts, nutrition breakdowns, transformation stories, and expert health advice — delivered weekly. Join thousands who are already learning from nearly 30 years of real-world expertise.
Follow along with real training sessions — exact exercises, sets, reps, and form cues from Matt himself.
Science-based eating strategies, meal breakdowns, and metabolic secrets to accelerate your results.
Watch real clients go through real transformations — their journeys, struggles, and victories documented week by week.
These are real clients — real people with real lives — who trusted the process and got real results. No gimmicks. No shortcuts. Just science, consistency, and Matt in your corner.
Ready to transform? Fill out the form and Matt will personally reach out to discuss your goals, your starting point, and the best path forward — no pressure, just results.
Matt personally reads every inquiry and will be in touch with you shortly.
In the meantime, check out his YouTube channel @MrHealthSpan for free workouts and nutrition advice.
Absolutely the most motivating and caring trainer you will ever encounter. He cares about your gains and spends time educating you on exercise and nutrition to form lifelong habits.
What an amazing trainer and even more amazing person. Not a lot of words can explain the experience with Matt — he knows exactly everything there is to know about training, health and body needs for the ultimate results. Love the environment.
Exceptional Trainer and Genuine Friend. I've had the privilege of working out with Matt at his unique fitness center. His knowledge, dedication and personal approach are truly one of a kind.
My friend turned me on to Matt 5 months ago and WOW, what a great experience it has been. A wealth of fitness knowledge and a great source for help with injury recovery. He takes the time to explain the reason for lifting a certain way.
I can't say enough good things about my experience with Matt as my fitness coach! From day one, I knew I had made the right choice. His expertise and passion for fitness are truly unmatched.
ROC truly rocks!!!! Matt is equipped with so much experience from transforming your body, nutrition, education and everything you have always dreamt of. My experience with Results Only Club is a 10 across the board! He's awesome!
I cannot be more thankful for the opportunity to be training under Matt. I was overweight and always yo-yo dieting. I gave into bariatric surgery and found Matt after I was cleared to workout 2 months post-surgery. He has been incredible.
I can not say enough positive things about Matt! His level of knowledge in Nutrition and weight training surpasses anyone I have ever known.
I have known Matt for 20+ years and trained with him at another location many years ago. I recently returned to Matt following my second heart surgery in the hopes of getting back in shape. He is absolutely phenomenal.
I started at Results Only Club to get back into shape for a trip to Mexico. Matt did an amazing job!!! I saw results quick, but not only does he train you, he guides you with your food and nutrition intake. He genuinely cares.
If you are looking for serious results while having a ton of fun, then Results Only Club is the place to be! Having a coach that knows what he is talking about and continues to educate us is priceless.
The most fun you could possibly have working out! And always puppy friendly!!
First off I'm a yoga instructor. I was wanting to gain muscle and reshape my body. Not being familiar with gym equipment and the overall stigma of a traditional gym, going to one of them was slightly intimidating — but not at ROC!
Matt's awesome! Genuine, caring and incredibly informative. My son absolutely loves being trained each week and I love how much they open their arms to him and help him. The ROC family will 100% change your life!
I had zero experience working out or any knowledge of physical health. I got to a point in my life that I needed a real change. Matt met me exactly where I was and transformed everything.
Matt is a great ROC Star trainer! He lifted me up and helped me maintain my physical body. He helped build me up and helped me maintain my strength and health.
You will find no other place better than the ROC for body transformation and nutrition guidance. Matt is very knowledgeable about health and fitness and passionate at what he does. His workouts are addicting!
What can I say, Matt is tough, but he gets results! I have been training with Matt since February. I've lost 28lbs, increased my lean muscle mass, gained strength and made many life-long friends! Matt pushes me to be my very best.
I have tried many trainers in the past and found no other trainer as educated about nutrition and the training techniques to get you to your goals — be it weight loss, muscle or simply to stay fit.
10/10. Don't think twice about joining. You will not find anything like ROC anywhere else. Matt's crazy knowledgeable. Your nutrition and workouts are customized to fit your needs and goals. You'll be getting a full education on how your body works.
I've been attending ROC for over a year now. The changes I've seen have been amazingly transformative. I'm as strong as I've ever been, and muscular as ever too. The training methods here are exemplary.
Matt is a transformation specialist. Real change from the inside out through nutrition, dedicated and informed instruction and training. Stronger and Sexier in my 50's! Results Motivate! Thanks Matt.
Great training, great facility, great results! I couldn't be happier.
Joining the ROC Fam was one of the best decisions I've made in a long time! I rapidly improved my health, strength and eating habits, and seen results unlike anything from any other trainer.
Matt and Results Only Club have changed my life. Not only does he teach optimal ways of working out, the consistent reminders and knowledge Matt provides us daily is everything you'll need to transform your body.
I have been working out with Matt for over 5 years now. He's the only trainer who's got me to lose weight in the shortest amount of time. His workouts are to the point and he stresses quality over quantity. Highly recommend him for anyone.
Thankful to have crossed paths with the ROC. Matt has helped educate me on a healthier lifestyle which will benefit me long-term through nutrition and exercise. He is passionate about being a trainer and goes above and beyond in all he does.
I have been a personal trainer for over 20 years and competed in figure and bodybuilding competitions for 6 years. I can honestly say Matt Jahnel is one of the best trainers in the business and a true leader in body transformations.
It's like a family-oriented community. Everything you need right under one roof. And you're under the guidance of a knowledgeable and professional personal trainer and nutritionist all in one.
Matt is an amazing trainer. He really knows how to individualize training to get specific results. So knowledgeable and safe. As a doctor, I have seen a lot of injuries from improper technique, so Matt's focus on his clients' form impressed me.
There is no better place to go to meet your health and fitness goals! Science backed workouts and Matt himself is proof!
Absolutely the BEST trainer out here. I'm 53 years old and didn't believe I could but Matt believed and pushed me!! I went from a size 16 to a size 8. I now eat better and love being healthier.
Matt has helped open my eyes to my nutrition habits and lifting! I love the holistic approach and have wanted to learn how to be healthy and clean for the rest of my life. He's great about showing you how to do things the right way.
If you seek to transform your body and to improve your health then ROC is truly the place to go! Matt is a fantastic and encouraging trainer who really cares about his clients and is a good source of helpful advice and inspiration.
Matt trains his clients like a tight-knit family. He is available for consultation by phone at almost any hour, and if you choose to, he sets up events beyond the gym time such as charity events and blood drives.
Matt is very knowledgeable about training and nutrition. He is absolutely the best! He takes time to teach proper technique and finds ways to keep you motivated. Everyone in the ROC is so positive and full of life! You won't regret it!
Matt is on another level!!!! If you commit you will see AMAZING RESULTS!!
I have always struggled with my weight and have tried every fad diet and have gone so far as to have surgery. Nothing has ever worked — until Matt. He is truly a life changer.
ROC is the best place to work out. Matt is a proven and dedicated trainer that puts his clients' best interest first. His years of knowledge and experience are key to getting the results I was after. His passion keeps you motivated.
If you are looking for someone who cares deeply for his clients look no further! Matt is dedicated whole heartedly to the people he trains. Following his customized plans for you will be sure to end only in your success.
I've been training with Matt for a few years now and love his style and especially the other people I train with. It's like a built-in support system because we are all on the same journey. You should definitely check out the ROC!!!
I've so enjoyed the friendships I've made with the other ladies in the gym, combined with Matt's extensive knowledge. I couldn't have met my goals without all their encouragement, love and support. It's not a competitive environment.
If you're wanting quick results or a lifestyle change, here is your answer. Keeps you accountable to get the results you want or even better.
I love it here with my ROC family! All of the ladies in the group are fantastic! Truly an inspiring and supportive group. Matt is not only an incredible trainer, but he is also a really great guy who truly cares about your health and well being.
I love the ROC! Matt knows how to train you and get you in the best shape.
Here is where motivation and best advice anyone can get!!! Love being trained by Matt! He most definitely will get your heart rate up the whole hour!! Form is so important to me and he is on top of it.
I started working out with Matt 6 months after having a baby. Not only did he help me get my body back post-pregnancy but now I am actually seeing muscles for the first time in years.
Matt is an extremely knowledgeable trainer! Since I've been going to Results Only Club, I've lost 50lbs and 4 sizes!! Not only do I have a body I never dreamed possible, but I also live a much healthier lifestyle!
Prior to working with Matt at the ROC I had zero weight training experience. Matt's expert guidance in health, wellness and nutrition got me hooked! His knowledge is unmatched.
If you truly want results and are willing to put in the work and listen to Matt — you will be unstoppable! I am proof!!! I have accomplished more weight-loss with Matt than with any of my previous 6 trainers.
Results Only Club is truly the place to start your fitness journey and reach your goals. Matt Jahnel is extremely dedicated to helping his clients achieve their dreams. He shares his extensive knowledge of fitness and nutrition.
A trainer isn't a trainer if you don't have a love-hate relationship with them!!! Matt has a passion for helping those that need help to lose weight, gain their confidence, and help them feel the best they have ever felt!
Great atmosphere! Matt is very knowledgeable in fitness and nutrition. He takes the time to help you plan your eating and make healthy choices. Lots of support from clients.
Matt Jahnel transforms lives, he did mine! Since I started training with Matt, I've lost over 50 pounds, have muscles that show how strong I've become, skin is clearer than it's ever been and I feel better than I have in years.
I love ROC more than any other place in Dallas! Moved an hour away in June of 2016 and still make the hike! That says it all.
Stop waiting for the right time. The right time is now — with the right trainer in your corner.
