• A comprehensive guide to stool and gut microbiome tests

A comprehensive guide to stool and microbiome testing

By |2025-07-10T11:08:28-06:00October 24th, 2021|

A comprehensive guide to stool and microbiome testing This article was originally published in June 2018 as “The benefits of comprehensive stool testing” and was updated in October 2021 to reflect the latest research, my updated testing philosophy, and current recommended tests. Stool and microbiome testing can help [...]

  • complete guide to soil-based probiotics

The complete guide to soil-based probiotics

By |2025-07-10T11:08:54-06:00June 14th, 2021|

The complete guide to soil-based probiotics This article was originally published in September 2018 and was updated in June 2021 to include the latest research and products. As many readers recently commented, my previous top choice, RightBiotics Rx, underwent a formula change and no longer contains soil-based strains. Soil-based probiotics have been [...]

  • high-fat ketogenic diet bad for the gut

Is a high-fat or ketogenic diet bad for your gut?

By |2025-07-10T11:09:27-06:00July 7th, 2020|

Is a high-fat or ketogenic diet bad for your gut? This article was originally published in October 2018 and updated in June 2020 to include the latest research. The major conclusions from the original article have not changed, with the exception that those with hydrogen sulfide overgrowth should probably steer clear of [...]

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