Sources

From: Brain Maker by David Perlmutter, Kristin Loberg on Audible

He recommends the following:

- Avoiding processed foods

- Limiting gluten

- Taking a daily, high quality probiotic

- Eating more probiotics, such as kefir, yogurt, sauerkraut, kimchi, etc.

- eating more probiotics, like nuts and seeds

- filtering your water to remove chlorine and protect gut health

- focusing on lower carb, more fat diet with most food being vegetables and some meat cooked in high quality fats, like coconut oil

- strongly limiting antibiotics usage, since a single regiment can severely damage your gut biome