Ingredient

Vitamins & Minerals: Thiamin Mononitrate

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add thiamin mononitrate to foods to increase their vitamin B1 content, as it …

What it is

Thiamin mononitrate is a synthetic form of thiamin, also known as vitamin B1. It is a white crystalline powder that is often used to fortify foods. It is produced through chemical synthesis.

Why it's used

Manufacturers add thiamin mononitrate to foods to increase their vitamin B1 content, as it is an essential nutrient. It is commonly found in enriched grain products like cereals, bread, and pasta, as well as in some energy bars and baked goods.

Health notes

Thiamin mononitrate is generally recognized as safe (GRAS) by the FDA when used as a nutrient supplement. Thiamin is essential for carbohydrate metabolism and nerve function. JECFA and EFSA have evaluated thiamin and its derivatives, and have established acceptable daily intakes. No significant controversies exist regarding its use at typical dietary levels.

Allergen info

Thiamin mononitrate is not derived from any of the nine FDA major allergens and does not contain gluten.

Products containing Vitamins & Minerals: Thiamin Mononitrate

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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.