Copper. Part of many enzymes; needed for iron metabolism. Legumes, nuts and seeds, whole grains, organ meats, drinking water.
Magnesium. Magnesium is a mineral naturally present in many foods, and is added to other food products. It is also available as a dietary supplement and present.
Sulfur is found as an element in nature, and is an integral part of gunpowder, which creates the explosive potential in fireworks.
Iron is a mineral. It is also added to some food products and is available as a dietary supplement. Iron is a part of hemoglobin, a protein that transports.
Calcium is a mineral found in many foods. Almost all calcium is stored in bones and teeth to help make and keep them strong.
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