Thiamin (B1)
Helps turn food into energy.
What is Thiamin (B1)?
Thiamin (vitamin B1) is a water-soluble B vitamin that helps convert carbohydrates from food into usable energy. It is also essential for normal nerve, muscle and heart function.
Health benefits of Thiamin (B1)
- Helps the body release energy from carbohydrates
- Supports normal nerve and muscle function
- Important for a healthy heart
Top food sources of Thiamin (B1)
See full rankingWhole grains, fortified cereals, pork, legumes, nuts and seeds. Values shown per 100 g.
Yeast extract spread
23 mg 1948% DV
MORNINGSTAR FARMS Spicy Black Bean Burger, frozen, unprepared
14 mg 1133% DV
MORNINGSTAR FARMS Garden Veggie Patties, frozen, unprepared
11 mg 933% DV
MORNINGSTAR FARMS Veggie Breakfast Sausage Patties, frozen, unprepared
11 mg 917% DV
Leavening agents, yeast, baker's, active dry
11 mg 916% DV
WORTHINGTON Stripples, frozen, unprepared
10 mg 842% DV
MORNINGSTAR FARMS Veggie Breakfast Bacon Strips, frozen, unprepared
10 mg 842% DV
Formulated bar, POWER BAR, chocolate
8 mg 672% DV
Cereals ready-to-eat, Ralston Crispy Hexagons
8 mg 629% DV
Cereals ready-to-eat, USDA Commodity Corn and Rice (includes all commodity brands)
6 mg 524% DV
Cereals ready-to-eat, KELLOGG, KELLOGG'S Complete Oat Bran Flakes
6 mg 458% DV
Cereals ready-to-eat, KELLOGG, KELLOGG'S ALL-BRAN COMPLETE Wheat Flakes
5 mg 433% DV
How much Thiamin (B1) do you need?
The FDA Daily Value is 1.2 mg, easily met by a varied diet with whole or fortified grains.
Thiamin (B1) deficiency
Severe deficiency causes beriberi (affecting the nerves and heart) and, with heavy alcohol use, Wernicke-Korsakoff syndrome.
Nutrition data per 100 g from the USDA & FooDB databases. Daily Values follow the FDA 2016+ labeling standard for a 2,000-calorie diet. This guide is for general information and is not medical advice.
Frequently asked questions
What does Thiamin (B1) do?
Thiamin (vitamin B1) is a water-soluble B vitamin that helps convert carbohydrates from food into usable energy. It is also essential for normal nerve, muscle and heart function.
How much Thiamin (B1) do I need per day?
The FDA Daily Value is 1.2 mg, easily met by a varied diet with whole or fortified grains.
Which foods are highest in Thiamin (B1)?
Per 100 g, some of the richest sources are Yeast extract spread, MORNINGSTAR FARMS Spicy Black Bean Burger, frozen, unprepared, MORNINGSTAR FARMS Garden Veggie Patties, frozen, unprepared, MORNINGSTAR FARMS Veggie Breakfast Sausage Patties, frozen, unprepared, Leavening agents, yeast, baker's, active dry.
What happens if I don't get enough Thiamin (B1)?
Severe deficiency causes beriberi (affecting the nerves and heart) and, with heavy alcohol use, Wernicke-Korsakoff syndrome.