Allergen List

Complete reference of supported allergens and their definitions.

FDA Big 9 Allergens

These nine allergens are always tracked. They account for approximately 90% of food allergies in the United States.

1. Milk

Also known as: Dairy

Includes:

• Milk (whole, skim, 2%)
• Butter and ghee
• Cheese (all types)
• Cream and half-and-half
• Yogurt
• Ice cream
• Whey and casein
• Lactose

Common hidden sources:

• Baked goods
• Chocolate
• Processed meats
• Salad dressings
• Non-dairy creamers (may contain casein)

2. Eggs

Includes:

• Whole eggs
• Egg whites
• Egg yolks
• Egg powder
• Albumin
• Lysozyme
• Mayonnaise

Common hidden sources:

• Pasta
• Baked goods
• Breading/batter
• Meringue
• Marshmallows
• Some wines

3. Fish

Includes:

• All finned fish
• Salmon, tuna, cod, etc.
• Fish sauce
• Fish oil
• Anchovies
• Caesar dressing (often contains anchovies)

Note: Fish and shellfish are separate allergens. Someone with fish allergy may tolerate shellfish and vice versa.

4. Shellfish

Also known as: Crustacean shellfish

Includes:

• Shrimp
• Crab
• Lobster
• Crayfish
• Prawns

Note: Mollusks (clams, oysters, mussels) are tracked separately as an additional allergen.

5. Tree Nuts

Includes:

• Almonds
• Brazil nuts
• Cashews
• Chestnuts
• Hazelnuts/filberts
• Macadamia nuts
• Pecans
• Pine nuts
• Pistachios
• Walnuts

Note: Peanuts are legumes, not tree nuts, and tracked separately.

Common hidden sources:

• Pesto
• Marzipan
• Nougat
• Granola
• Certain oils
• Natural flavorings

6. Peanuts

Also known as: Groundnuts

Includes:

• Whole peanuts
• Peanut butter
• Peanut oil
• Peanut flour
• Peanut protein

Common hidden sources:

• Asian cuisine (many dishes)
• Baked goods
• Candy/chocolate
• Sauces
• Ice cream

7. Wheat

Includes:

• Wheat flour (all types)
• Bread
• Pasta
• Couscous
• Bulgur
• Farina
• Semolina
• Spelt
• Wheat starch

Note: Wheat allergy differs from celiac disease (gluten intolerance). See Gluten in additional allergens.

Common hidden sources:

• Soy sauce
• Beer
• Processed meats
• Salad dressings
• Soup thickeners

8. Soybeans

Also known as: Soy

Includes:

• Soybeans
• Soy milk
• Tofu
• Tempeh
• Soy sauce
• Edamame
• Miso
• Soy protein
• Soy lecithin

Common hidden sources:

• Vegetable oil
• Many processed foods
• Baked goods
• Canned tuna
• Infant formula

9. Sesame

Added to Big 9 in 2023

Includes:

• Sesame seeds
• Sesame oil
• Tahini
• Halvah
• Hummus (often contains tahini)

Common hidden sources:

• Bread and buns
• Asian cuisine
• Middle Eastern cuisine
• Granola
• Spice blends

Additional Allergens

These can be enabled in Allergens > Settings.

Gluten

Not the same as wheat allergy

Includes proteins found in:

• Wheat
• Barley
• Rye
• Triticale
• Oats (via cross-contamination)

Important for: People with celiac disease or gluten sensitivity.

Mustard

Includes:

• Mustard seeds
• Mustard powder
• Prepared mustard
• Mustard oil

Common hidden sources:

• Salad dressings
• Marinades
• Processed meats
• Curry powder

Celery

Includes:

• Celery stalks
• Celery leaves
• Celeriac (celery root)
• Celery salt
• Celery seeds

Common hidden sources:

• Soups
• Stocks
• Salads
• Spice blends

Lupin

Also known as: Lupine, lupini beans

Includes:

• Lupin flour
• Lupin seeds/beans

Common hidden sources:

• Gluten-free baked goods
• Pasta
• Some European breads

Mollusks

Different from shellfish (crustaceans)

Includes:

• Clams
• Mussels
• Oysters
• Scallops
• Squid/calamari
• Octopus
• Snails/escargot

Sulfites

A preservative, not a food

Found in:

• Wine and beer
• Dried fruits
• Pickled foods
• Shrimp and other seafood
• Grape juice
• Bottled lemon/lime juice

Note: Not a true allergy but can cause reactions in sensitive individuals.

Alcohol

Includes:

• Beer
• Wine
• Spirits
• Cooking wine
• Alcohol-based extracts (vanilla, etc.)

Note: Some people react to alcohol itself; others to ingredients in alcoholic beverages.

Cross-Reactivity

Some allergens may cross-react:

Important: This is not guaranteed. Each person’s allergies are unique.

Allergen Recognition

When entering ingredients, Atlee recognizes common terms:

Regulatory Notes

Allergen labeling requirements vary by region:

• USA: Big 9 required (as of 2023)
• EU: 14 allergens required
• Canada: Priority allergens list

Atlee supports both US and EU allergen requirements.