Vitamin B1 Description
Description
Vitamin B1 (Thiamin) aids the nervous system and is essential for the functioning of some important enzymes. These enzymes have vital roles in the processes that make energy available in the body. Thiamin is essential for the transmission of certain types of nerve signal between the brain and the spinal cord.
Food Source
Brown rice, peas, beans and other vegetables, fortified breakfast cereals, and wholemeal breads and cereals, pork, bacon and liver.
Intake
EU Labelling RDA: 1.4mg
Deficiency Symptoms
Depression, poor memory, muscle weakness and stiffness, nerve tingling, burning sensation and numbness, tiredness, headache, loss of appetite and nausea. A clinical condition associated with deficiency is beri-beri.
Who might Benefit from supplements
Older people (over 55), those who consume large amounts of alcohol or have busy/stressful lives, athletes. Also, people of all ages whose diets are restricted or of poor quality.
Side Effects/Precautions
Upper safe level: 100mg (long and short term - no adverse effect has been established)