What Foods Contain Faecalibacterium prausnitzii?

Eating foods that contain dietary fiber such as fruits, vegetables, whole grains, legumes and nuts can help increase the amount of Faecalibacterium prausnitzii in your gut microbiome.

Faecalibacterium prausnitzii is a healthy bacterium that can be found in the human gut. It feeds on dietary fiber which is a type of carbohydrate that can be fermented. This fermentation is carried out by the bacteria in the gut and helps support the growth and activity of beneficial gut bacteria like Faecalibacterium prausnitzii. 1

There are several sources that can help promote the growth of Faecalibacterium prausnitzii.

  1. Fruits and vegetables: These include fruits like apples, bananas, berries, oranges, pears and vegetables like leafy greens, broccoli, carrots, cauliflower and Brussels sprouts. 2
  2. Whole grains: Whole grains like oats, barley, brown rice and whole wheat are also good sources of fiber. 2
  3. Legumes: Legumes like beans, lentils and chickpeas are also a good source of fiber. 2
  4. Nuts and seeds: Nuts and seeds like almonds, walnuts, chia seeds and flaxseeds are also good sources of fiber. 2

By including a combination of these fiber-rich foods in your diet, you can promote the growth of Faecalibacterium prausnitzii and other beneficial gut bacteria.


  1. Martín, R., Rios-Covian, D., Huillet, E., Auger, S., Khazaal, S., Bermúdez-Humarán, L. G., Sokol, H., Chatel, J.-M., & Langella, P. (2023). Faecalibacterium: A bacterial genus with promising human health applications. FEMS Microbiology Reviews, 47(4), fuad039.
  2. Fiber‐enriched botanicals: A therapeutic tool against certain metabolic ailments—PMC. (n.d.). Retrieved 24 April 2024, from

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