Supplement Hunt offers the AllMax IsoFlex 100% Whey Protein Isolate Supplement 5-lb. Jar in Chocolate Mint for $79.99. Coupon code "Flex5" cuts that to $31.99. With $5.99 for shipping, that's $6 under our mention from a week ago and the lowest total price we could find by $18, although most retailers charge $72 or more. Each serving contains 27g of protein.

Note: This product is best used by June 30.