Dr. Tobias Deep Immune Probiotics contains both a probiotic as well as a prebiotic. Prebiotics help support gut health by going after the bad bacteria and generating more good bacteria in the process. It is a great, everyday supplement.    

Dr. Tobias Probiotics 30 Billion are for intensive support that is needed for example, following a round of anti-biotics or other situations that may have led to depleted good bacteria. It does not contain a prebiotic and may be used on its own, or in combination with a prebiotic formula such as Dr. Tobias Prebiotics.

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