A four-step routine — remove food triggers, repair digestion, repopulate with probiotics and fiber, then rebalance — is said to durably support digestive comfort.

noli's read

This 4-step structure is a condensed version of the '4R' protocol (Remove-Replace-Reinoculate-Repair) developed by the Institute for Functional Medicine and now widely extended into a '5R' with an added rebalancing step. Each individual piece has a real basis: removing identified trigger foods is standard clinical practice, fiber and fermented foods for repopulating the microbiome are well documented elsewhere in this batch, and nutrients like glutamine or zinc for 'repairing' the gut lining have preclinical data but few robust trials in healthy humans. The protocol as a whole, run as a fixed, timed program ('7 days'), isn't tested in any controlled trial found: available literature is limited to individual clinical case studies (for clinically identified chronic digestive conditions, for instance), not randomized trials in the general population. The 'reset' framing and the fixed schedule are therefore more a commercial package than a validated protocol, even though the ingredients that make it up are individually reasonable.

the sources

1. 1Wastyk HC, Fragiadakis GK, Perelman D, et al. 2021
2. 2Liu RT, Walsh RFL, Sheehan AE 2019
3. 3Reynolds A et al. 2019
4. 4Jovanovski E et al. 2019