FREE BOOST Calorie Smart 4-pack Drink Product Coupon! This post may contain affiliate links. Please see my full disclosure policy for details. July 11, 2015 11 Jul Pin0Share0TweetGoogle+0shares Yay! Hurry and snag a FREE BOOST Calorie Smart 4-pack Drink product coupon (value of up to $8.99)! You should get your coupon in the mail within 4-6 weeks.