SupplementHunt offers two MuscleTech Lab Series Whey Protein + Isolate 5-lb. Jars for $99.98. In-cart, the coupon "LABSERIES10" applies and drops it to $39.99. With $5.99 for shipping, that's tied with last week's mention and the lowest price we could find for this quantity by $74. Each serving provides 50 grams of protein.
The dollar store is the most amazing place to find bargains for certain purchases. Yes, even pregnancy tests.