Exclusively for our readers, this 20-Count IdealBoost Weight Loss Drink Mix Set drops from $39.99 to $19.99 at IdealShape when you apply our promo code BDBOOST at checkout. Plus this code bags you free shipping, saving $6.99 in fees. This works out to be $1 per drink mix packet, the lowest price we've ever seen. These flavored powdered drink packets aid in boosting energy. They have Slendesta and Fibersol to help control your appetite as well as vitamins to improve your health and mood. The set includes 20 packets in four different flavors. There is no sales tax (except UT and KY).