Fit lab Merrimack is the best fit lab out of the chain, best lighting, very clean and well kept. Everything is organized, pretty quiet. It really has everything you need for any work out. Also ample p

Best gym ever!!! Big shoutout to GM Dana D. for being so helpful during my first day here. Super clean and organized. Amazing vibes.

I've been on this earth for 6 decades and I've had my share of gyms in both New Hampshire and Massachusetts. FITLAB in Merrimack, NH is the best of all of them by far. In terms of cleanliness, friendl