GNC

GNC Promo Codes

Enjoy up to 50% OFF when using one of HowStuffWorks’ 25 discount codes for GNC.

$15
OFF

Take $15 Off on Orders $75+

Shop at gnc.com and receive $15 off orders of $75 or more with a coupon code. Limited time offer!

CODE • Expires on 12/31/2024
15%
OFF

Save 15% at GNC

Shop and receive a 15% discount on your first purchase when you use this code.

CODE
10%
OFF

Take 10% Off Your Order

Apply this coupon code at GNC to receive 10% off your order at checkout.

CODE
10%
OFF

Enjoy 10% Off with Code

Apply this coupon code at GNC to receive 10% off your order at checkout.

CODE
20%
OFF

GNC Coupon Code: 20% Off Your Order

Apply this coupon code from GNC to receive a 20% discount on your order.

CODE
BUY
1 GET 1

Enjoy Buy 1 Get 1 50% Discount

Visit GNC and explore the Buy 1 Get 1 50% discount when you purchase the CELLUCOR and XTEND products at checkout.

DEAL
20%
OFF

Take 20% Off Brand Brands

Receive a 20% discount when you pick up your Brand Brands purchase in-store + 10% off everything else at checkout.

DEAL
50%
OFF

BOGO- 50% Off Eligible Orders

Buy one select item and get another with a 50% discount on your order at GNC. No promo code is needed.

DEAL
50%
OFF

BOGO- 50% Off Your Eligible Orders

Buy one qualifying product and get another with a 50% discount at GNC. No code is needed.

DEAL
15%
OFF

Up to 15% Off Your Purchase

Shop for brand products and pickup in-store to get an extra 15% discount on your order, plus an additional 10% off anything else at GNC. No promo code is required.

DEAL
15%
OFF

Take 15% Off Your Order

When you select in-store pickup at GNC, you'll save 15%.

DEAL
20%
OFF

Flash Sale- 20% Off Your Purchase

Shop at gnc.com and get an extra 20% discount on any single item. No code is required.

DEAL
20%
OFF

Get 20% Off Optimum Nutrition Products

Purchase at GNC and get 20% off Optimum Nutrition products at checkout.

DEAL
50%
OFF

Last Chance- BOGO 50% Off Almost Everything

Buy one, get another with a 50% discount on almost all items at GNC. No promo code is needed.

DEAL
$10
OFF

Get Up to $20 Off Storewide w/ Minimum Spend

Shop today and receive an extra $10 off all $85 or more orders and $20 off all $120 or more purchases at gnc.com. No discount code is needed.

DEAL
15%
OFF

Receive 15% Off + 10% Off Everything Else

Shop and receive 15% off + 10% off Everything Else for a limited time.

DEAL
15%
OFF

Extra 15% Off When Your Order

Receive an additional 15% discount on your purchase in store. Visit and shop at gnc.com.

DEAL
BUY
1 GET 1

BOGO- 50% Off Select Products

Don't miss out on this: Buy one, get one 50% off select fish oil purchases. No coupon code is needed.

DEAL
BUY
1 GET 1

Enjoy 50% Off at GNC

Currently, certain items are available for buy one, get one 50% discount at GNC.

DEAL
23%
OFF

Get 23% Off Using Code

Save 23% on your purchase with a GNC brand item using this discount code on your cart.

CODE • Expires on 10/11/2023
$15
OFF

Receive $15 Off Coupon With Code

Apply a $15 discount on your purchase using a code at GNC.

CODE
10%
OFF

Get 10% Off Any Order

Save at gnc.com and order 10% off when you pick up In-Store on your cart.

DEAL
BUY
1 GET 1

Buy 1 Get 1 50% Off

Purchase at GNC and avail yourself of Buy 1 Get 1 at 50% off on your order at checkout.

DEAL
BUY
1 GET 1

Buy 1 Get 1 50% Off

At checkout, apply the Buy 1 Get 1 50% off on select Vitamins and Supplements at GNC.

DEAL
BUY
1 GET 1

Buy 1 Get 1 50% Off

Shop at GNC and enjoy buy 1 get 1 50% for a limited time.

DEAL