GNC

GNC Promo Codes

Enjoy up to 50% OFF when using one of HowStuffWorks’ 20 discount codes for GNC.

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

Take Up to 10% Off GNC

Shop save up to 10% off and explore the store using this promo code on your cart. Shop now!

CODE
$20
OFF

Take $20 Off at GNC

Take $20 off with coupon code just copy and paste this code at checkout to redeem offer. Limited time offer!

CODE
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
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
10%
OFF

Enjoy 10% Off at GNC

Ghost Products are 10% discounted with a subscription. Limited time offer!

DEAL
$30
OFF

Save $30 on Orders $150+

Best offer just for you! Enjoy $30 off when you spend over $150 at GNC. Hurry, won't last!

DEAL
15%
OFF

10%-15% Off Buy Online

Apply 15% off Store Brands when you buy online + 10% off other brands on your purchase at GNC. Valid for Pick Up in Store only!

DEAL
10%
OFF

Save Up to 10% Off at GNC

10% off everything else and 15% off drink cases when you buy online and pick up in-store. Shop now!

DEAL
FREE
SHIPPING

Free Shipping on Orders $49+

Get free shipping when you spend $49 or more at GNC. Hurry, won't last!

SALE