True Cramps Muscles cramps that occur in a muscle group that acts together for an intended movement or contraction.  They occur more often during very hot conditions in which the athlete has not yet adapted and experiences an excessive fluid loss from perspiration. This kind of deh... [More]

Magnesium plays a number of roles in the body, being required for more than 325 enzymatic reactions, including those involved in the synthesis of fat, protein and nucleic acids, neurological activity, muscular contraction and relaxation, cardiac activity and bone metabolism.   Even mo... [More]

Chloride is a chemical the human body needs for metabolism (the process of turning food into energy). It also helps keep the body's acid-base balance. The amount of chloride in the blood is carefully controlled by the kidneys. It helps keep the amount of fluid inside and outside of your c... [More]

Potassium is important in nerve function by allowing muscle contraction of all nerve impulses sent by action potentials. Potassium also influences osmotic balance between cells and the interstitial fluid. Potassium works with sodium to maintain the body's water balance and significant chan... [More]

Sodium is in extracellular fluids and tissues in humans. These fluids, such as blood plasma and extracellular fluids carry out transport functions for nutrients. Sodium is also in seawater as sodium chloride and completely unrefined, the natural minerals still remain.  ... [More]