Back to Main Vitamins Page / Vitamin B

There are several B-Vitamins.
A seperate section about each of the best-known types of vitamin B is included below. They are:
Vitamin B1; Vitamin B2; Vitamin B6; Vitamin B12.

Vitamin B1

Functions of Vitamin B1:

Formation of the enzyme thiamin pyrophosphate;
promotes normal metabolism,
appetite,
digestion, and growth;
Brain development and function.

Sources of Vitamin B1:

Signs of Deficiences of Vitamin B1:

Signs of Excessive intake of Vitamin B1:

Excessive doses (possibly by injection) may lead to toxic symptoms such as:
Allergic reactions;
Disturbance of heart beat;
Nervousness;
Shaking and Swellings.

Vitamin B2

Functions of Vitamin B2:

Production of acetylcholine, noradrenaline, serotonin (neurotransmitters essential to the brain);
Release of energy from carbohydrates;
Synthesis of arachidonic acid, linoleic acid and linolenic acid (essential fatty acids);
Tissue respiration.

Sources of Vitamin B2:

Signs of Deficiences of Vitamin B2:

Signs of Excessive intake of Vitamin B2:

Overdose is unlikely but extremely large doses are associated with numbness and itching.

Vitamin B6

Functions of Vitamin B6:

Helping to maintain healthy skin and nerves;
Formation of red blood cells;
Formation of hormones essential for functioning of the brain;
Synthesis & breakdown of amino acids;
Resistance to disease;
Fight signs of premature ageing.

Sources of Vitamin B6:

Signs of Deficiences of Vitamin B6:

Signs of Excessive intake of Vitamin B6:

Excessive intake can lead to poisoning and damage to the central and peripheral nervous systems, especially the sense of touch.

Vitamin B12

Functions of Vitamin B12:

Synthesis of nucleic acids;
Maintenance of myelin in the nervous system;
Correct functioning of Folic Acid.

Sources of Vitamin B12:

Signs of Deficiences of Vitamin B12: