Here’s everything you need to know about using coupons on Old School Labs™:

1. The Bundle & Save coupons are active most of the year:
   1. You get 10% OFF when you purchase 2 or 3 supplements (does not apply to subscriptions and stacks).
   2. 15% OFF when you purchase 4 or more supplements (does not apply to subscriptions and stacks).
2. Coupon codes only apply to supplements. The code will not discount merchandise, stacks or subscriptions in your cart.
3. Coupons cannot be combined. Use the one that gives you the highest discount amount.
4. Some coupons have time limits. Make sure you use them before they expire.
5. We offer 15% off for our military service men and women, and to all students enrolled in US institutions. Head to the Military Discount or Student Discount page to claim your discount.

If a coupon code from an on-going campaign is not working, please contact us.