Updated. Amazon drops the price of 5.04lb. Syntha-6 Strawberry Ultra-Premium Protein from $71.99 to $34.95 to $29.71 $28.53 when you choose "Subscribe & Save" at the right. Simply choose delivery every six months and click subscribe now. This protein has gotten almost a perfect 5-star rating on 163 reviews, and BSN is one of the best makers of protein out there. 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.