Bodybuilding.com offers the Top Secret Nutrition 5-lb. Whey Protein Powder in Chocolate Ice Cream or Vanilla Cream for $34.77. Coupon code "EATCLEAN10" cuts it to $31.29. With $7.94 for shipping, that's the lowest total price we could find by $16. Each serving contains 140 calories and 21 grams of protein.