Bodybuilding.com offers the Layne Norten Carbon Workout Formula in Prep or Recover for $26.99. Coupon code "SPRING50CLEAN" cuts it to $13.50. With $4.49 for shipping, that's $13 off list and the lowest price we could find. Both are designed to support the increase of lean body mass and support recovery, Prep is for before workout, Recover is for post workout.