Trace minerals are essential elements required by the human body in small amounts. They play important roles in various physiological processes such as immune function, energy production, and bone health. There are many synonyms used to describe these essential minerals, including micro-minerals, ultra-trace minerals, and minor elements. Other terms used include oligoelements and micronutrients. Many of these minerals are found in soil and water, and can be obtained through a balanced diet rich in vegetables, fruits, and lean protein sources. Popular trace minerals include zinc, iron, copper, chromium, iodine, and selenium, which are often added to supplements to ensure optimal health.