Probiotics — beneficial bacteria taken as supplements or consumed in fermented foods — can help maintain gut health during keto. The key is knowing which strains have genuine evidence behind them.
One of the most studied probiotic strains. Reduces gut permeability (leaky gut), supports immune function, and may improve lactose tolerance in dairy-consuming keto dieters. Found in natural yoghurt and kefir.
Research shows B. longum reduces intestinal inflammation, supports GABA production (beneficial for anxiety), and improves insulin sensitivity. Particularly relevant for keto given the potential decline in Bifidobacteria on very low-carb diets.
Not yet commercially available as a probiotic but naturally increases on keto. It supports gut lining integrity and metabolic health. Support its growth with polyphenol-rich foods: olive oil, dark berries, and green tea.
Shown to increase testosterone in male animal studies, support bone density, improve skin quality, and reduce inflammation. Available in supplement form and naturally in some fermented dairy products.
Build gut-supportive probiotics through daily full-fat yoghurt, sauerkraut, and kimchi — all keto-compatible fermented foods. Add to our probiotic-rich keto salads and alongside our fermented-food-friendly keto mains.
Strategic probiotic use on keto supports gut health, mental wellbeing, and metabolic function. Food sources first; targeted supplements for specific needs.