High Value $3 Boost Coupon This post may contain affiliate links. Please see the full disclosure policy here. Posted on January 11, 2011 Written by Mary Leave a Comment Go HERE to print this new HIGH VALUE $3 Boost Coupon! These go on sale quite often at CVS/Walgreens/Rite Aid! If you don’t see it, try zip 90210 and choose the “beverage” category!