Prebiotics are food for Probiotics.
Dr Tobias Prebiotic (https://amzn.to/2UTF2ni) formula is unique in that helps support gut health by going after the bad bacteria and generating more good bacteria in the process. It is a great, every day supplement which may be taken alone or more commonly along with any probiotic on the market.
Probiotics support gut health by populating the gut with good bacteria and this helps support a healthy immune system.
Dr Tobias Probiotics 30 Billion (https://amzn.to/2BA8xmW) 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.
Dr Tobias Deep Immune Probiotics (https://amzn.to/2TMPAEI) are great for everyday use. Deep Immune have dual benefit, with 4.4 Billion CFU* probiotics formulated with prebiotics - the ultimate combination for healthy digestion.