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Source for vitamins & sports nutrition

  • In-store pick-up
  • In-store shopping
62 Founders Pkwy, Castle Rock, CO, 80104, United States
Closed · Opens at 10 AM


10 AM - 7 PM
10 AM - 7 PM
10 AM - 7 PM
10 AM - 7 PM
11 AM - 6 PM
10 AM - 7 PM
10 AM - 7 PM


18 reviews


"Staff is friendly and knowledgeable, has what I need when I need it."

"Manager was very helpful and nice."

"SUSHANTH, was knowledgeable with the products."

Vraj Patel · 1 year ago

During my recent visit to a GNC store, I had the pleasure of working with Jaden, who provided exceptional service from start to finish. He was incredibly knowledgeable about the products, and took the time to listen to my needs and help me find exactly what I was looking for. His friendly and professional demeanor made the entire shopping experience a pleasure. Not only did Jaden help me find the right supplements for my needs, but he also provided valuable advice on how to use them to maximize their benefits. His attention to detail and commitment to customer satisfaction are truly impressive. Overall, I highly recommend GNC, and especially Jaden, to anyone looking for quality supplements and exceptional customer service. Thank you, Jaden, for your outstanding assistance and dedication to helping me achieve my health and wellness goals.

Eli Karsoyan · 1 year ago

Went in today the gentlemen are always friendly always positive, and always full of a lot of information very informative and always try to give you the best deals. Appreciate them and will be coming back.

Gary Fritzler · 1 year ago

Says they are open until 7:00 pm and it is not even 3:00 pm and they are closed. I will get my needs from other retailers on the web and forget about shopping GNC

Jim Lori · more than 5 years ago

I called looking for a specific product and even though I had good reception the employee repeatedly said they couldn’t hear me and hung up. After calling a few times they said “your best bet is to just come into the store”. Ummm- if I had time to go to the store instead of calling I would have. I ended up rearranging things to make a trip to the store, in the middle of business hours, only to find a hand written sign sign saying the store was closed for 45 minutes. So unprofessional! I’m super annoyed and won’t be visiting this or any other GNC again.

Heather Richardson · more than 3 years ago

I agree with some of the other reviews. I have on multiple occasions tried to go to this location to find a hand written note or sometimes none at all and they are closed in the middle of the day during business hours. This has been super frustrating. However, when I do get to go in they’re always super helpful. Come on guys..try to do better, I can get supplements at a lot of different places.

brayden Seeman · more than 2 years ago

This store is closed during business hours almost every time I have tried to come in. Very frustrating

Justin Kodiak · almost 6 years ago

Straight up the worst GNC I have ever been to, they employ tactics in which they demean you by telling you that you dont look healthy and you need to take this or that supplement. Its called predatory sales and its a sales tactic that puts people into depressive cycles that force them to come back for more when these supplements dont do what they need.

Austin Baker · almost 5 years ago

Wouldn’t know how the staff is, THEYRE ALWAYS CLOSED DURING BUSINESS HOURS, how do you run a business like this?

Kai Harris · more than 5 years ago

Staff is friendly and knowledgeable, has what I need when I need it.

Raneem S · more than 5 years ago

Ahmad is very helpful and a great worker!



Retail chain selling health- & sports-related vitamins, supplements & herbs, plus drinks & snacks.

Service options

In-store pick-up
In-store shopping
Same-day delivery


Wheelchair-accessible car park
Wheelchair-accessible entrance


Quick visit


Credit cards
Debit cards
NFC mobile payments
Credit cards


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