Products that may contain alpha-gal

Food products that may contain alpha-gal

AGS can be severe, and even life-threatening. Seek immediate emergency care if you are having a severe allergic reaction.

Not all patients with AGS have reactions to every ingredient containing alpha-gal.  The following foods or food ingredients may contain alpha-gal. This is not a list of all products or ingredients that may contain alpha-gal.

  • Tray with multiple cuts of mammalian meat

    Mammalian meat contains high amounts of alpha-gal.

    Mammalian meat (such as beef, pork, lamb, venison, rabbit, etc.) can contain high amounts of alpha-gal.

    • Certain cuts of meat may contain more alpha-gal than others. For example, organ meat of mammals, including liver, lung, heart, kidneys, intestines (tripe), sweetbreads, scrapple, and Rocky Mountain or prairie oysters generally contain high amounts of alpha-gal.
  • Food products that contain milk and milk products typically contain alpha-gal.
  • Some people with AGS may also be sensitive to alpha-gal found in
    • Gelatin made from beef or pork
    • Products made from or cooked with mammalian fat (such as lard, tallow, or suet)
    • Meat broth, bouillon, stock, and gravy

Foods that do NOT contain alpha-gal:

  • Poultry, such as chicken, turkey, duck, or quail
  • Eggs
  • Fish and seafood, such as shrimp
  • Fruits and vegetables

Non-food products that may contain alpha-gal

  • Some medications and vaccines may contain small amounts of alpha-gal-containing additives, stabilizers, or coatings. Not all patients with AGS react to these ingredients.
  • Lists of additives to specific vaccines (called vaccine excipients) are available through CDC’s Pink Book pdf icon[PDF – 4 pages] and the Institute for Vaccine Safetyexternal icon. Ingredients that may contain alpha-gal include, but are not limited to:
    • Gelatin
    • Glycerin
    • Magnesium stearate
    • Bovine extract
  • Other medical products, such as heart valves from pigs or cows, monoclonal antibodies, heparin, and certain antivenoms are animal-derived and may contain alpha-gal.
  • As with any severe allergy, patients with AGS should work with their healthcare providers to make decisions about individual risk and benefit from specific vaccines and medications.