Metals in human body - Longevity and Supplements (Live healthy naturally)


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Saturday, July 29, 2023

Metals in human body

Metals are essential micronutrients needed by the human body to support various physiological functions. They play critical roles in enzymatic reactions, cellular processes, and overall health. Some of the essential metals required by the human body include:

Iron (Fe): Iron is crucial for the formation of hemoglobin, the protein responsible for transporting oxygen in red blood cells. It is also involved in energy production and supports the immune system.

Zinc (Zn): Zinc is involved in numerous enzymatic reactions, DNA synthesis, and protein synthesis. It plays a vital role in immune function, wound healing, and growth and development.

Copper (Cu): Copper is essential for the formation of connective tissues, including collagen, and is involved in iron metabolism, energy production, and antioxidant defense.

Manganese (Mn): Manganese is a cofactor for several enzymes involved in carbohydrate metabolism, amino acid synthesis, and antioxidant defense.

Chromium (Cr): Chromium is involved in carbohydrate and lipid metabolism, particularly in enhancing the action of insulin, which regulates blood sugar levels.

Selenium (Se): Selenium is an essential component of antioxidant enzymes and is important for a healthy immune system.

Molybdenum (Mo): Molybdenum is a component of enzymes involved in breaking down certain amino acids and other molecules in the body.

Cobalt (Co): Cobalt is a component of vitamin B12 (cobalamin), which is essential for red blood cell formation and neurological function.

It's important to note that while these metals are essential for human health, they are required in trace amounts. Consuming a balanced and varied diet that includes a wide range of foods, such as fruits, vegetables, nuts, seeds, whole grains, and lean meats, can typically provide adequate amounts of these essential metals.

However, excessive intake of certain metals can be toxic to the body. For example, heavy metals like lead, mercury, and cadmium are toxic and can cause serious health issues. It's essential to avoid exposure to excessive levels of these toxic metals from environmental sources, contaminated food, or industrial sources.

What are the roles of metals in human body?

Metals play essential roles in the human body as they are involved in various physiological processes. These roles include:

Enzyme Function: Many metals serve as cofactors for enzymes, which are proteins that facilitate chemical reactions in the body. Enzymes with metal cofactors are involved in a wide range of processes, including metabolism, DNA synthesis, and antioxidant defense.

Oxygen Transport: Iron is a crucial component of hemoglobin, the protein in red blood cells that binds to oxygen and transports it throughout the body. This process is essential for delivering oxygen to tissues and organs.

Cellular Respiration: Metals like iron, copper, and manganese are involved in cellular respiration, the process by which cells produce energy (ATP) from glucose and oxygen. These metals are vital for the proper functioning of the electron transport chain, a key step in ATP production.

DNA Synthesis and Repair: Metals such as zinc and manganese are essential for DNA synthesis and repair. They play crucial roles in maintaining the integrity of the genetic material and supporting cell division.

Immune Function: Zinc is known for its role in immune function. It is involved in the development and activation of immune cells and helps to maintain the integrity of the immune system.

Antioxidant Defense: Some metals, such as copper, zinc, and selenium, are components of antioxidant enzymes that protect cells from oxidative damage caused by free radicals. These antioxidants neutralize harmful free radicals, reducing the risk of cellular damage and aging.

Collagen Formation: Copper is essential for the formation of collagen, a structural protein that provides strength and flexibility to connective tissues, bones, and blood vessels.

Blood Clotting: Calcium is a key player in the blood clotting process. It is involved in activating factors that lead to the formation of blood clots, essential for wound healing and preventing excessive bleeding.

Nerve Function: Sodium and potassium are essential for nerve function and are involved in generating electrical impulses that allow communication between nerve cells.

Insulin Regulation: Chromium helps enhance the action of insulin, a hormone that regulates blood sugar levels. It plays a role in glucose metabolism and can influence insulin sensitivity.

Overall, metals are indispensable for maintaining the body's proper functioning. They are involved in fundamental processes that support growth, energy production, immune function, and overall health. It is crucial to maintain a balanced diet that provides adequate amounts of these essential metals to ensure optimal physiological function.

What are the health issues from lack of metals in the body?

Lack of essential metals in the body can lead to various health issues and deficiencies. These health problems arise due to the critical roles that metals play in numerous physiological processes. Here are some health issues associated with the deficiency of specific metals:

Iron Deficiency: Iron deficiency can lead to anemia, a condition characterized by a decrease in the number of red blood cells or a decrease in the amount of hemoglobin in the blood. Anemia can cause fatigue, weakness, pale skin, shortness of breath, and impaired cognitive function.

Zinc Deficiency: Zinc deficiency can result in impaired immune function, delayed wound healing, skin problems, hair loss, loss of appetite, and impaired growth and development, especially in children.

Copper Deficiency: Copper deficiency may lead to anemia, as copper is necessary for iron absorption and utilization. It can also cause abnormalities in connective tissues, bone disorders, and neurological issues.

Manganese Deficiency: Manganese deficiency is rare but can result in impaired growth, skeletal abnormalities, and problems with glucose and lipid metabolism.

Chromium Deficiency: Chromium deficiency is linked to insulin resistance and impaired glucose tolerance, which can increase the risk of type 2 diabetes.

Selenium Deficiency: Selenium deficiency can compromise the immune system, leading to increased susceptibility to infections. It may also contribute to certain heart conditions and thyroid problems.

Molybdenum Deficiency: Molybdenum deficiency is uncommon, but it can lead to an accumulation of certain toxic compounds in the body and negatively impact enzyme functions.

Calcium Deficiency: Calcium deficiency can lead to weakened bones (osteoporosis) and an increased risk of fractures. It can also affect nerve and muscle function.

Potassium Deficiency: Potassium deficiency can lead to muscle weakness, fatigue, irregular heartbeats, and high blood pressure.

It's essential to maintain a balanced diet that includes a variety of nutrient-rich foods to ensure an adequate intake of essential metals. Deficiencies can arise due to poor dietary choices, certain medical conditions, or issues with nutrient absorption.

List of foods that contains metals needed by the body

Here is a list of foods that contain metals needed by the body:


  • Red meat (beef, lamb)
  • Poultry (chicken, turkey)
  • Fish (salmon, tuna, sardines)
  • Spinach and other leafy greens
  • Legumes (beans, lentils, chickpeas)
  • Fortified cereals and grains (oats, whole wheat, quinoa)


  • Seafood (oysters, crab, lobster)
  • Beef and lamb
  • Pork
  • Poultry (chicken, turkey)
  • Pumpkin seeds
  • Chickpeas
  • Yogurt
  • Fortified cereals


  • Organ meats (liver, kidney)
  • Shellfish (oysters, clams, crab)
  • Nuts (cashews, almonds, walnuts)
  • Seeds (sunflower seeds, sesame seeds)
  • Cocoa and dark chocolate


  • Whole grains (brown rice, oats, barley)
  • Legumes (beans, lentils, peas)
  • Nuts (almonds, pecans, hazelnuts)
  • Spinach and other leafy greens
  • Pineapple


  • Broccoli
  • Whole grains (whole wheat, oats)
  • Green beans
  • Nuts (walnuts, almonds)
  • Barley


  • Brazil nuts
  • Seafood (tuna, salmon, shrimp)
  • Sunflower seeds
  • Eggs
  • Chicken and turkey


  • Legumes (lentils, peas, beans)
  • Nuts (almonds, peanuts)
  • Whole grains (oats, barley)
  • Leafy greens (spinach, lettuce)


  • Dairy products (milk, yogurt, cheese)
  • Leafy greens (kale, broccoli, bok choy)
  • Fortified plant-based milk (soy milk, almond milk)
  • Sardines and canned fish with bones


  • Bananas
  • Oranges
  • Potatoes (with skin)
  • Spinach
  • Tomatoes
  • Beans (black beans, kidney beans)

Remember that the bioavailability of metals from different food sources can vary, and certain foods may contain higher or lower levels of specific metals. Consuming a diverse and balanced diet that includes a variety of these foods can help ensure an adequate intake of essential metals for the body's optimal functioning.

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