Amazon.com offers this Optimum Nutrition Natural Oats and Whey Protein Shake Mix 3-lb. Canister
in Milk Chocolate for $23.89. Add it to your cart via Subscribe & Save and the price drops to $20.31
with free shipping
. That's the lowest total price we could find by $9, although we saw two 3-lb. tubs for a buck less in August (since expired.) Each serving of this shake mix includes four grams of fiber and 24 grams of protein.
Cancel Subscribe & Save after your order arrives (it's easy to cancel) or you'll be billed for subsequent shipments.