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Manganese

Manganese is an essential trace element. Manganese concentrations in food vary considerably. Grains, rice and nuts are among the foods in which relatively high manganese concentrations are measured. The trace element is a component of numerous enzymes and thus involved in various metabolic processes, for example in energy metabolism or in building connective tissue and bones.

For the Federal Republic of Germany, there is currently no indication of an insufficient supply of manganese.

There are currently many uncertainties in the health risk assessment of high manganese intakes. On the other hand, there is no evidence that manganese intakes resulting from the normal diet are associated with adverse health effects.

From the German Federal Institute for Risk Assessment’s (BfR) point of view, based on findings on the neurotoxicity of manganese, the following must be taken into account in connection with the intake of food supplements containing manganese: The short-term administration of a higher dose as well as the usual administration in the form of easily soluble manganese salt can influence the availability in the body as well as possibly the effect of manganese. This may be associated with health risks in certain population groups.

Proposed maximum level for the addition of manganese to food supplements (per daily dose of an individual product):

Taking these aspects into account, the BfR recommends setting a daily dose of 0.5 mg as the maximum amount in food supplements - a daily dose that is considered safe for older people by the European Food Safety Authority (EFSA).

7/11/2023

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