Restore the gut & beyond

Physician-developed supplements conquering chronic health struggles & proactive wellness.

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Discover the science behind our prebiotics & probiotics


Our rigorous scientific analysis and testing during supplement development stems from our foundation in science. res is founded by Dr. Vivek Lal, a double board-certified physician-scientist and an authority in microbiome research.

Scientifically Proven

res supplements undergo extensive research through in vivo, in vitro, and ex vivo testing and clinical trials to deliver targeted long-term restoration. Our evidence-based practices promote a new paradigm of gut wellness: proactive, targeted, and easily accessible. 

Highest Standards

Our standards set us apart. We collaborate with leading scientists, researchers, and manufacturers on everything from ingredient sourcing to preclinical and third-party stability testing for optimal absorption and meaningful benefits. 

Choose your restoration

Shop res clinically proven, physician-scientist formulated probiotics & prebiotics.

We utilize the Gut-X Axis, a term we’ve coined to explain how our gut communicates with other organs across the body, resulting in targeted beneficial results.

Leading “Gut-X Axis” innovation

Prebiotics, probiotics, and postbiotics aren't just for gut support anymore. Our research has found that our gut communicates with our entire body. At res, we call this the Gut-X Axis, and it’s how we deliver precise results.

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See why subscribers love us

Lung Function Restored

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Breathing Is Now Possible

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resB Clinical Trial Journey

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How I Choose My Probiotics!

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