Really Big Buttons 1 Lb Brand_Krusteaz Digestive health experts now recognize Digestive health experts now recognize the inherent limitations of most lactobacillus: Require huge overages (to meet label claims for CFU) Do not retain viability during the manufacturing process Do not survive digestive transit Do not reach the large intestine Secrete D lactic acid (unfavorable for health)* Do not create diversity in gut microflora (as trillions of lactobacillus already reside in the human GI tract) Spore probiotics are emerging as a promising alternative to lactobacilli activities: Provide reading and reading comprehension practice Measures approximately 2" x 2" (5 x 5cm) Includes holes for stringing