This week at Walgreens, Ensure Active Nutrition Drinks are on sale, two for $15.98. Plus, buy two and receive a $2.00 Register Reward. Use a $3.00/2 Walgreens coupon from page 18 of the Nutritional Drinks and Shakes Book. In my store, this book was with the health drinks and bars. Also use two $3.00/1 newspaper coupons, bringing each four-pack down to just $2.49!