The Vitamin Shoppe offers the Optimum Nutrition Gold Standard 100% Whey Protein Powder 8-lb. Bag in Double Rich Chocolate or Vanilla Ice Cream for $84.99. Coupon code "OPTMAR17" cuts it to $64.99. With free shipping, that's tied with our January mention and the lowest total price we could find now by $18. It features 24g of protein per serving.