Tracked by Evreward since 2021, Korik Krill Oil offers coupons, cash back rebates and rewards, with savings as high as $3 off. Korik Krill Oil discount coupons are rare, only available once or twice a year. Even when Korik Krill Oil doesn't have a coupon, you can always get up to 12% cash back, and other great rewards, with every purchase.