Vitacost offers its 3-lb. Jar of Vitacost Whey ISO Protein Isolate 2-Pack in Vanilla (pictured) or Chocolate for $39.99. Add it to your cart via Set & Save to drop the price to $35.99. (Add one to cart; the second will be added automatically.) With free shipping, that's $18 per jar and tied with our mention from as the lowest total price we've seen for this quantity.
Note: Cancel the Set & Save membership after your order ships or you'll be billed for subsequent shipments.
Amazon cuts $1 off a selection of Nature Made vitamins and supplements via a clippable coupon. Plus, cut an additional 5% off and bag free shipping on all orders when you checkout via Subscribe & Save. That's tied with our June mention and yields several price lows. A couple of best bets, with prices after the above discounts:
At Puritan's Pride, buy two Puritan's Pride supplements and receive three more for free. With free shipping on all orders, that's among the best sales we've seen on Puritan's Pride supplements in recent weeks. (We saw Up to 70% off plus buy one, get two free last week.) A couple of best bets: