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Probiotics and prebiotics may be obtained through various foods. They are also available as dietary supplements.

Food sources of probiotics include:

• Certain cultured dairy products (e.g., yogurt). Products with live (active) cultures of beneficial bacteria are considered to contain probiotics. Yogurt typically contains probiotics.
  
  
• Certain fermented foods. This includes the fermented cabbage found in foods such as sauerkraut and kimchi.
  
  
• Modified foods. Various food products may be fortified with probiotics. This includes probiotic-fortified beverages, breakfast cereals, smoothies and energy bars. 

Food sources of prebiotics include:

• Asparagus
• Bananas
• Chicory
• Garlic
• Honey
• Jerusalem artichokes
• Leeks
• Onions, onion powder
• Shallots
• Soybeans
• Whole grains