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Call: 908 879 1006
Welcome to NitroFlex Gym

‘Xperience the Xtraordinary’

You will enjoy cutting-edge fitness equipment, the hottest in group fitness classes and the highest caliber of Personal Training and Group Training. High on our priority list is cleanliness; a clean gym is a healthy gym! We believe in lots of natural light to make the gym feel bright and airy. NitroFlex gym has an entire side that’s completely glass from the floor to the ceiling, 18ft high!

Our Opening Hours:

Mon – Thur: 5:00 am – 10:00 pm
Fri: 5:00 am – 9:00 pm | Sat: 7:00 am – 6:00 pm
Sun: 7:00 am – 6:00 pm
CHILDCARE: 7 DAYS A WEEK. 8am to 12pm

Heres what you get at Nitroflex Gym…
A 2 Million Dollar luxury facility!

  • Over 15,000 sq ft of gym floor space
  • 4 Stylish Studios
  • 180 classes a month included in your Membership
  • State of the Art Cardio with personal TVs
  • Free weight and Selectorized Strength Equipment
  • Brand new Rowing Studio (1st of its kind in the US)*
  • Turf track and 36ft of Monkey Bars
  • Infrared Saunas
  • Upper level lounge area
  • Wide range of Pre and Post workout Supplements*
  • Free Coffee
  • Childcare*
  • Cryotherapy*
  • Onsite Chiropractor*
  • * (additional charge)
  • Luxury lockers rooms
  • Personal locker and Towel service*
  • Rain Showers

This is the best gym in the area! The instructors are wonderful and the gym is so friendly no matter what your age! Everyone feels so welcome! You won't be disappointed!

Jean Ann R

Nitroflex gym has fantastic instructors, everyone is friendly and welcoming. The range of classes is great and the locker rooms and gym are always clean and well maintained.

Claire S

I love this gym! Great atmosphere, excellent classes, professional and friendly instructors and staff, clean and they keep on adding new things to make it better and improved. So glad you guys opened! Thank you!

Nancy P

With its spa offerings, abundant classes, machine & cardio variety, and now the cafe menu, Nitroflex just blows any other gym in the area out of the water.

Susan W

Excellent facility and staff. Trainers are top notch.

Rich G

I highly recommend Nitroflex to anyone looking for a gym in the area. Beautiful, clean facility, great equipment, excellent classes and such friendly and knowledgeable staff and trainers. Come check it out!

Janice J

Awesome gym. Great staff and so many wonderful classes. Locker rooms are really clean and nice. So glad we joined.

Dan S

Love those spin bikes! Never seen anything like them! They added a whole new dimension to spin class! Also loving Pilates with Connie and Cathy is kicking my butt with personal training!

Jessica G

Nitroflex Fitness Gym. . A great gym in Chester. Excellent equipment, supportive staff and the price is right.

George S

I love this gym. I see so many different types of people here working on their individual goals to get stronger, healthier and fit! All the staff including the owner are always warm and just wonderful!

April Crider