Tracked by Evreward since 2012, Dr. Fuhrman offers coupons, cash back rebates and rewards, with savings as high as $50 off. Dr. Fuhrman discount coupons are rare, only available once or twice a year, but are often more valuable than similar merchants. Even when Dr. Fuhrman doesn't have a coupon, you can always get up to 12% cash back, and other great rewards, with every purchase.