Nutrients & foods

Vitamins & minerals

Manganese

Helps several enzymes, including a mitochondrial antioxidant enzyme, function.

Updated September 17, 2026 · Educational reference

What it does

Helps several enzymes, including a mitochondrial antioxidant enzyme, function.

Possible deficiency symptoms

Human deficiency is rare; symptoms alone are not a reliable way to assess status.

Food sources

Whole grains; nuts; legumes; tea.

Supplement forms

Manganese sulfate and gluconate.

Before taking a supplement

Excess exposure can harm the nervous system. Liver disease can affect manganese clearance.

Questions for your visit

Could my diet, medicines, absorption or another condition explain my concern? What evidence would support treatment, and how would we check whether it helps?

Names you may see

Manganese

Sources & perspective

This is an editorial adaptation of the Purser Wellness nutrient reference app. Purser teaching connections are labeled separately from clinical interpretation. Private cases and individual treatment protocols are not reproduced.

Use the public resources below for additional context.

NIH Office of Dietary Supplements: Manganese