The Lab
Specimen No. 0085
ClearedNaturalfood ingredientnutrient

Fermented Foods (Kimchi, Sauerkraut, Kefir)

kimchi · sauerkraut · kefir

Probiotic-rich fermented foods with robust evidence for gut microbiome diversity, immune support, and mental health connection via the gut-brain axis.

high confidence
Researched April 18, 2026

Concerns

  • High sodium content in some varieties (kimchi, miso, sauerkraut) — relevant to those on sodium-restricted diets
  • Histamine production during fermentation can trigger reactions in sensitive individuals
  • Commercial versions often pasteurized — destroying live cultures — read labels

Sourcing & processing

fermentednaturally sourcedraw

Commonly found in

Fermented vegetable side dishDairy alternativeCondimentBeverage

Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.

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