Amazon offers the Pure Protein 100% Whey Powder 1-lb. Jar for $5.44 with free shipping via the directions below. That's $2 off list and the lowest price we could find, although we saw it for just under a buck less last week. It provides 25 grams of protein in a low-fat powder formula. To get this deal:

1. View the Pure Protein 100% Whey Powder 1-lb. Jar for $7.83
2. clip the $2 off on-page coupon to drop it to $5.83
3. check out via Subscribe & Save for a final price of $5.44

Be sure to cancel your subscription once your order arrives to avoid being billed for subsequent shipments.