The Coupons Expire 12/31/17. The print limit is two of each.
There is a Walgreens coupon in the November Walgreens coupon booklet (found at the front of every Walgreens) for $3 off Benefiber Powder 33-125 dose or stick packs 28 count that can be stacked with the $2 off coupon above.
Through 11/25, Walgeens has 28 count benefiber stick packs and 33 dose powder on sale buy one get one 50% off. Regular price is $13.99. Buy two for $20.99 after the buy one get one 50% off sale. Use the Walgreens coupon (will take off $6) and two of the $2 off manufacturer’s coupons above. Pay $10.99 for both or $5.49 each.