What is in chocolate that people are allergic to?

Chocolate itself does not contain any allergens that commonly cause severe allergic reactions. However, some chocolate products may contain ingredients that can trigger allergies in certain individuals. Here are some common allergens that can be found in chocolate:

1. Milk: Milk chocolate contains milk solids, which can cause allergic reactions in individuals with a milk allergy. Symptoms of milk allergy may include hives, swelling, difficulty breathing, and digestive problems.

2. Soy: Soy lecithin is a common emulsifier used in chocolate to help mix the ingredients and create a smooth texture. Soy can cause allergic reactions in individuals with a soy allergy. Symptoms of soy allergy are similar to those of a milk allergy and can include hives, swelling, and digestive issues.

3. Nuts: Some chocolate products, especially specialty or artisanal chocolates, may contain nuts such as peanuts, almonds, hazelnuts, or walnuts. These nuts can cause severe allergic reactions in individuals with nut allergies. Symptoms of a nut allergy can range from mild itching and swelling to life-threatening anaphylaxis.

4. Wheat: Chocolate wafers or cookies that are coated with chocolate may contain wheat flour, which can trigger allergic reactions in individuals with a wheat or gluten intolerance. Symptoms of wheat allergy or intolerance can include digestive problems, skin rashes, and difficulty breathing.

5. Artificial flavors and additives: Some chocolate products may contain artificial flavors or food additives that can cause allergic reactions in sensitive individuals. These additives may include sulfites, preservatives, or artificial sweeteners like aspartame.

6. Cross-contamination: Chocolate products manufactured in facilities that also process other allergens can become contaminated with traces of those allergens. This can pose a risk to individuals with severe allergies.

If you have a known allergy to any of these ingredients, it's important to carefully read the ingredient list on chocolate products before consuming them to avoid potential allergic reactions.