Amazon.com lowers the price of Optimum Nutrition Whey Protein 5lbs from $74.99 to $41.21. Even better, when you choose "Subscribe & Save" your price drops to $35.03 with free shipping. This is an amazing price for this quantity of high-quality protein. It has a 4.5-star rating from 681 reviews. It has 24g of protein per scoop, and as a whey protein is is quickly digested, helping your recovery after a workout. Note that you'll have to cancel your subscription if you don't want additional shipments. Sales tax is only charged in KS, KY, ND, NY, and WA.