Ingredient · E300

Vitamin C Or Erythorbic Acid

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Source
Not animal-derived
Allergen
No
Role in food
Vitamin C is often added to foods as an antioxidant to prevent spoilage and …

What it is

Vitamin C, also known as ascorbic acid, is a nutrient found naturally in many fruits and vegetables. It can be produced commercially through chemical synthesis, often starting from glucose derived from corn or other plant sources. It is an essential nutrient for human health.

Why it's used

Vitamin C is often added to foods as an antioxidant to prevent spoilage and maintain color, especially in processed fruits and meats. It can also be used as a nutrient supplement to fortify foods like cereals and beverages. It functions as an acidity regulator and flavor enhancer in some products.

Health notes

In the US, Vitamin C is generally recognized as safe (GRAS) by the FDA when used as a nutrient or antioxidant. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated Vitamin C and established acceptable intake levels. While essential for health, very high doses of Vitamin C can cause digestive upset in some individuals. Research has explored its role in immune function and antioxidant protection, but evidence for preventing or treating specific illnesses is not conclusive.

Allergen info

Vitamin C is not a major allergen. It is not derived from any of the nine FDA major allergens and does not contain gluten.

Products containing Vitamin C Or Erythorbic Acid

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.