Amazon with Zentastic has the Zentastic Probiotics & Prebiotics Supplement with 50 Billion CFU and 16 Strains (60 Delayed Release Veggie Capsules) for $22 - 10% off coupon (click green button) - $7 off with code JGWZLEH7 [Exp 7/31] = $13 with free shipping on $25+ or with Prime.