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 "ON8LBOCT" cuts it to $64.99. With free shipping, that's tied with our mention from three weeks ago and the lowest price we could find today by $23. It contains 24 grams of protein per serving. Deal ends October 20.