Credit Card Identification Number

A credit card Identification Number is an added safeguard for your credit card purchases. Depending on the type of credit card you use, it is the 3- or 4-digit number printed on the back or front of your credit card. For most online credit card purchases from us, the Identification Number is required information.

American Express
Your identification number is the 4-digit number found on the far right on the front of your credit card.


Visa
Your identification number is the 3-digit number found on the back of your credit card near the signature panel.


MasterCard
Your identification number is the 3-digit number found on the back of your credit card near the signature panel.


Discover Card
Your identification number is the 3-digit number found on the back of your credit card near the signature panel.


If your credit card does not show an Identification Number, you are not required to enter one.

If you have any questions concerning your credit card's Identification Number and the benefits of using it for all your online credit card purchases with us, contact one of our Customer Service Specialists by phone at 1-877-GNC-4700.

Where is my identification number?
Your identification number is the 3-digit number found on the back of your credit card near the signature panel.

Will you remember my card's identification number?
No. As an added safety feature, you will be asked to enter your card's ID number each time you make a purchase.