Restore the gut & beyond
Physician-developed supplements conquering chronic struggles & promoting active wellness.
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Discover the science behind our prebiotics & probiotics
Physician-Developed
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.
Why subscribers love us
My health with res
Allison M.
How my lungs feel
Forest K.
I’m now bloat-free
Lily A.
How I choose my probiotics!
Dr. Brooke S.
Choose your restoration
Shop res clinically proven, physician-scientist formulated probiotics, prebiotics, & postbiotics.
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.
Explore our science
