Super Gut: A Four-Week Plan to Reprogram Your Microbiome

William Davis on the gut microbiome, with a four-week program. Paperback.

Davis, a cardiologist, argues that bacterial overgrowth in the small intestine drives a long list of everyday complaints, and sets out a four-week plan built around fermented foods and specific strains.

Hachette Books, 2023, paperback. The claims run ahead of settled clinical consensus, so read it as one physician's argument and speak to your own doctor before changing anything.