Ingredient

Thiamine Monohydrate

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add thiamine monohydrate to foods as a nutrient supplement, particularly in enriched grain …

What is Thiamine Monohydrate?

Thiamine monohydrate is a form of thiamine, also known as vitamin B1. It is a white, crystalline powder that is water-soluble. It can be produced synthetically or derived from natural sources.

Is Thiamine Monohydrate vegan?

Thiamine Monohydrate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Thiamine Monohydrate gluten-free?

It does not contain gluten.

Is Thiamine Monohydrate a major allergen?

Not a major allergen.

What is Thiamine Monohydrate used for?

Manufacturers add thiamine monohydrate to foods as a nutrient supplement, particularly in enriched grain products like bread and cereals.

Is Thiamine Monohydrate safe?

Thiamine monohydrate is generally recognized as safe (GRAS) by the FDA when used as a nutrient.

Why it's used

Manufacturers add thiamine monohydrate to foods as a nutrient supplement, particularly in enriched grain products like bread and cereals. It is also used in infant formulas and dietary supplements. It helps prevent thiamine deficiency.

Health notes

Thiamine monohydrate is generally recognized as safe (GRAS) by the FDA when used as a nutrient. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated thiamine and established acceptable daily intake levels. High doses are generally well-tolerated, as excess thiamine is excreted in urine. No significant controversies exist regarding its use at typical dietary levels.

Allergen info

Not a major allergen. It does not contain gluten.

Foods that contain Thiamine Monohydrate

Compare products →

Learn more

%DV Explained: 5% Low, 20% High →

Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: October 5, 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.