GNC aims to inspire people to live well. Whether someone is an athlete or just starting to focus on their health, we want to deliver the cutting-edge, efficacious ingredients and products they deserve.
Manager Sean was very knowledgeable, helpful and great customer service.
MR
Marcia Reinhard
Aug 7, 2026
5.0
I met Sean the manager and Jay a new employee, as this was my first time going to GNC. They couldn’t have been friendlier, kinder and Jay was incredibly patient as I stood checking out the WW points of everything I was looking at. I was very impressed with this first experience at GNC. Sean has great policies for his customers. Customer service has become a dying art but not at Groton’s GNC. Check them out. I bought two great products. Can’t wait to go home and start using them.
JV
Jon valos
Jul 29, 2026
5.0
Christ goes the extra mike
PS
Patricia Selix
Jul 23, 2026
5.0
Chris was working in the store when I stopped by to prick up my usual vitamins and minerals. He was so helpful. Together we were able to switch me over to a multivitamin that saves me a bunch of money. He is the best at the store. We love him, very knowledgeable
AD
Allison Dandurand
Jul 18, 2026
5.0
Sean is the best! He is a humble wealth of knowledge, pleasure to talk to, and always friendly. Thank you for being awesome 🙏
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