Daily Amount Needed

1.2 mg for adult males and 1.1 mg for women - 1.5 mg if lactating.

Children need .6 to .9 mg of B1/thiamine per day.

Vitamin B1 Information

Vitamin B1/thiamine is important in the production of energy. It helps the body cells convert carbohydrates into energy. It is also essential for the functioning of the heart, muscles, and nervous system. Not getting enough thiamine can leave one fatigued and weak.

Note: Most fruits and vegetables are not a significant source of thiamine.

Fruit Sources:

Avocado
Boysenberries
Breadfruit
Cherimoya
Dates
Grapes
Grapefruit
Guava
Loganberries
Mango
Orange
Pineapple
Pomegranate
Watermelon

Vegetable Sources:

Asparagus
Brussels Sprouts
Butternut Squash
Corn
French Beans
Lima Beans
Okra
Parsnips
Peas
Potatoes
Spirulina
Sweet Potato

Nut/Grain Sources:

Brazil Nuts
Buckwheat
Cashews
Chestnuts
Flax Seed
Filberts/Hazelnuts
Macadamia Nuts
Millet
Oats
Peanuts
Pecans
Pine Nuts/Pignolias
Pistachios
Quinoa
Rice Brown
Rye
Spelt
Wheat - Durum
Wheat - Hard Red
Wheat - Hard White

Meat/Protein Sources:

Beef
Cows Milk
Catfish
Herring
Salmon
Tuna
Goat Milk
Pork
Soy Beans
Soy Milk
Lowfat Yogurt
Roast Duck
Bacon
Pork Sausage
Ground Chicken

Legume Sources:

Black Beans
Black Eye Peas
Kidney Beans
Navy Beans
White Beans
Winged Beans