GNUtrition: User's Manual | ||
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is used mainly in haemoglobin, a chemical that binds oxygen in the blood, giving it its red colour. Deficiency, more common in women, leads to mild anaemia.
is used mainly in bones, to provide mechanical strength. Low calcium intake has been linked to osteoporosis (weakening of the bones) in old people.
is essential to an anti-oxidant enzyme, which works in a similar manner to Vitamin E.
are used to provide electrical potentials across nerve and muscle cell membranes, also to provide the necessary osmotic force in body fluids. Excess sodium was once linked to high blood pressure, but this not emphasised today.
is used in controlling nerve impulses, deficiency causes weakness and tremors.
combine with specific proteins to form various different enzymes.
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Vitamins | Up | Amino acids |