GNC offers the Cellucor C4 Pre-Workout Supplement 60-Serving Jar in five flavors for $35.99. Add three of any flavor to your cart for $71.98 plus $4.99 for shipping. That's the lowest total price we could find for this quantity by $45. It contains creatine nitrate, caffeine, and vitamin B12, purporting to provide extra energy during your workout.
Update: Note that some flavors are currently on backorder, but can still be ordered at this price for delivery when available.