Vitamin B1 is a co enzyme. It helps the Body to convert carbohydrates into energy (glucose). Vitamin B1 is also called Thiamin. It is a water soluble Vitamin. It is not stored by the Body. It is a common ingredient in multivitamin supplements. Vitamin B1 is referred to as an Anti Stress Vitamin. It helps to manufacture fat and metabolize proteins in the Body.
It has Anti Beri Beri and Anti Neuritic factors. There are two sources of Thiamin : Dietary and Bacterial. Brewer's Yeast, lean Meat and Legumes are considered the richest source of Vitamin B 1.

Level of Vitamin B1 in the Body
2.5 to 7.5 mcg/dL

Daily requirement of Vitamin B1 in the Body
0 to 6 months : 0.2 mg
6 to 12 months : 0.3 mg
1 to 3 years : 0.5 mg
4 to 8 years : 0.6 mg
9 to 13 years : 0.9 mg
14 to 18 years ( Male / Female ) : 1.2 / 1.0 mg
Above 18 years ( Male / Female ) : 1.2 / 1.1 mg
Pregnant / Lactating : 1.1 / 1.4 mg

Functions of Vitamin B1
Vitamin B1 plays an important role in the Body. It converts Carbohydrates into Glucose. Vitamin B1 breaks down the fats and proteins into smaller molecules. They are additional energy sources. Vitamin B1 is important for the normal functions of the Nerves and Muscles. It is important for the Immune system to function properly. Vitamin B1 ensures proper Nerve Cell functions. It is involved in the biosynthesis of neurotransmitters.

Benefits of Vitamin B1 in the Body
Treats Dysmenorrhoea
Improve Brain Functions
Balance the Digestive System
Turn Carbohydrates into Energy

Effects of Vitamin B1 deficiency in the Body
Oedema
Fatigue
Weakness
Diabetes
Anorexia
Cataracts
Beri Beri
Confusion
HIV / AIDS
Bradycardia
Constipation
Cardiomyopathy
Memory Problems
Retarded Growth
Chest Wall Pain
Chronic Diseases
Loss of Sensation
Sleep Disturbances
Alzheimer's Disease
Abdominal Discomfort
Abnormal Eye movement
Peripheral Neuropathy
Pulmonary Hypertension
Poor Muscle Coordination
Congestive Heart Failure
Wernicke Korsakoff Syndrome
Rigidity due to increase in Lactic Acid production

Effects of Excess Vitamin B1 in the Body
There are no Toxic effects of excess of Vitamin B1. It is a water soluble Vitamin. It is not stored in the body. Excess is excreted through urine.