Be Strong

Group Classes + Personal Training + Nutrition

Start a custom fitness or nutrition program today.

we believe

That you can be healthy even if you’re…

we understand

Starting a new fitness program is intimidating. We’ll help you find a program that’s right for you.

group training

Join an instant community in these high intensity, constantly varied, group classes.

nutrition coaching

Make a plan with a nutrition coach, regardless of your current lifestyle.

Personal Training

Customized training based on your goals and a coach that keeps you accountable.


Step 1

Book your
Free Intro

Step 2

Talk with a coach
and make a plan

Step 3

Start training
and see results.

get results.

Our #1 priority is helping our members achieve their goals.

Heather O.
Prowess Fitness review
“I started the nutrition program in January. I was doubtful I would have success because I’ve done EVERY diet/program out there. ”
“I was ashamed that I had let myself get to the point I had reached. I figured I’d just add it to the list of weight loss fails, but boy was I wrong about failing! The nutrition plan was easy to follow and offered delicious recipes. ⁣ ⁣But it didn’t stop at the nutrition component. I pushed myself mentally and physically harder these past 5 months than I have in years. I couldn’t have done it without the support of Kristen and Jason, as well as the ENTIRE Prowess community. 5 months ago I felt “I couldn’t” …today I look forward to what’s next! I am stronger physically as well as mentally. I mean, come on – I couldn’t run 400 meters in January without pain and practically hyperventilating, and this past weekend I ran for FUN! This program, gym, and community has truly been a lifesaver for me and I am so grateful. And too that I say, What’s next?!?!?”
Mike R.
Prowess Fitness review

“I had the desire to lose weight and become healthier. What I needed was professional guidance how to train, what to eat, when to eat it, and how much to eat.

Prowess made the difficult job of losing weight so easy. Since losing the extra weight, I have endless energy. I believe the guidance from Prowess, learning how to eat healthy, made all my efforts pay off!”

Heather H.
Prowess Fitness review

“Meeting with my nutrition coach every month and having her right there when I need her has helped me in so many ways. I never have to worry about failing.

Measuring my biometrics each month helps find my body’s pattern, and even if that scale number doesn’t move so much, I know other stuff is happening, and just because I stalled doesn’t always mean I need to cut calories, which you hear so often. I have actually been increasing my fuel! Prowess has been such a great thing for me and my family. Thank you, Prowess!”

What are your goals?

You’re unique. You deserve more than a one-size-fits-all fitness program. That’s why we start everyone with a 1-on-1 Free Intro Session. You’ll tell us what you want to accomplish and we’ll show you how to get it.


Get your FREE GUIDE now.

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Prowess Code of Conduct

Prowess Fitness & Nutrition respects and follows the letter and spirit of the Massachusetts Antidiscrimination Law. We support and protect the dignity and worth of everyone. We provide equal rights and opportunities for all employees, clients, and volunteers. We do not tolerate harassment or unwelcome comments and actions. We will take prompt action if such problems occur, including failure to follow any rules or regulations, for reasons of nuisance, disturbance of others, moral turpitude or fraud, or if we determine that your actions may endanger yourself or others.