Vitamin B1 

Thiamine
Recommended Dietary Intakes
Men - 0.9 - 1.1 mg
Women - 0.7 -0 .8 mg
Children under seven - 0.15 -0 .7 mg
Children seven to eighteen - 0 .8 - 1.2 mg

This Vitamin Is Essential For...

Athletes, labourers, pregnant women, and other people who burn great amounts of energy may require more than the adult RDA of thiamine.

Sources...

Lean pork, milk, whole grains, brown rice, egg yolks, fish, legumes, liver, poultry, wheat germ, brewers yeast, broccoli, kelp, peas, beans, peanuts, or soybeans.

Comments...

Diets that are high in carbohydrates can decrease the levels of this vitamin as can the use of oral contraceptives, excess alcohol and antibiotics. Aggressive behaviour has been reduced by taking this vitamin.
Please note the B vitamins should be taken as a complex and not taken individually unless specifically recommended.

Deficiencies Can Cause...