Description - Manganese is an essential trace mineral.
Function - Manganese causes some enzymes to activate so they begin to work. It is also essential for the formation of certain enzymes, one of which is superoxide dismutase, a powerful antioxidant enzyme that neutralises potentially damaging free radicals.
Human Requirements – EU RDA: Not established.
Dietary Intake – In the UK, the average adult diet provides 4.6–5.4 mg daily
Food Sources - Nuts, pulses, wholemeal bread and cereals, green vegetables.
Deficiency Symptoms - Manganese deficiency in individuals consuming mixed diets is very rare. Symptoms thought to be associated with deficiency include weight loss, dermatitis, hypocholesterolaemia, depressed growth of hair and nails and reddening of black hair.
Precautions / Contra-Indications – Safe Upper Level: 4mg
Pregnancy & Breastfeeding - No problems reported at normal doses.
Adverse Effects – None known, when administered orally.
Interactions – None reported.