* Plant-base probiotics
  *   * Fermented Foods
  *   *   * Fermented Vegetables
  *   *   * Kefir
  *   *   * Kombucha
  *   *   * Sauerkraut
  *   *   * Apple Cider Vinegar

  * Soil-based probiotics
  *   * Supplement products named Bacillus
  *   * The dirt on a recently dug-up carrot contains soil-based probiatics and can be eaten.