Source ? Manganese is plentiful in all foods of plant origin, and especially in tea, cereals (whole wheat, barley, rye and buckwheat), oleaginous fruit (pecans, cashews, almonds and other nuts) and leguminous vegetables (split peas).
What does it do ? Manganese helps provide normal metabolism of energy, and also protects cells against cellular ageing. It also helps keep bones healthy and aids in the formation of connective tissue.
For whom ? In people with allergies in certain areas, and vegetarians.
Recommended intake: daily requirement 2-3 mg for an adult.