Abstract: The present invention generally relates to dietary supplement and pharmaceutical formulations comprising layered acid protective oral dosage formulations comprising probiotics and provided as single unified or cohesive dosage form units. Each individual acid protective layer of the cohesive dosage form provides one of a different probiotic payload, a different release profile to target delivery of probiotic to a particular region in the gastrointestinal tract, or both different probiotic payloads and release profiles to target delivery of different probiotics to particular regions in the gastrointestinal tract.