Manganese
Manganese gluconate
Manganese is an essential trace element involved in various enzymatic and metabolic processes. It is commonly added to multinutrient formulations and fortified foods.
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Antioxidant Properties of Manganese
Manganese plays an important role in the body’s antioxidant defence system. As an essential component of the enzyme superoxide dismutase (SOD), it contributes to the neutralisation of free radicals and the reduction of oxidative stress. Through this mechanism, manganese helps protect cells from damage, supporting overall health and potentially reducing the risk of chronic disease.¹
Manganese and Thyroid Health
Thyroid hormone production relies in part on adequate manganese levels, making this trace mineral important for maintaining thyroid health. These hormones are essential for regulating metabolism, energy production, and growth. Manganese also functions synergistically with other key nutrients—such as iodine and selenium—to support optimal thyroid function.²
Manganese and Blood Sugar Regulation
Manganese also contributes to blood sugar regulation by supporting insulin sensitivity, a key factor in maintaining stable glucose levels. Research indicates that insufficient manganese levels may be associated with impaired glucose tolerance, highlighting its potential role in supporting healthy blood sugar control.³
Where is Manganese Found?
A wide range of foods naturally contain manganese, with particularly high levels found in whole grains, nuts, seeds, and leafy green vegetables. Fruits such as pineapple and legumes like lentils also contribute to dietary manganese intake. Consuming a balanced diet that includes these sources can help support adequate manganese levels.⁴
What are the Symptoms of Manganese Deficiency?
Although manganese deficiency is uncommon, it can present with symptoms such as impaired bone development, reduced glucose tolerance, and mood disturbances.⁵