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To closely examine magnesiumâs importance to the heart muscle, we have to pull out our microscopesâyes, it gets right down to the cellular and even the molecular level. Magnesium plays an essential role in many of the functions of energy production itself.It is an integral part of the energy (ATP) and protein (enzymes-as co-factor and as a structural component of the muscle protein, myosin) moleculesâwithout which the energy to contract and relax the heart does not occur properly.o closely examine magnesiumâs importance to the heart muscle, we have to pull out our microscopesâyes, it gets right down to the cellular and even the molecular level. Magnesium plays an essential role in many of the functions of energy production itself.
Magnesium is a chemical element that chemists refer to by the symbol Mg, but Mg never exists by itself anywhere on the planet. It is embedded in rocks, or molten in earth, or dissolved in seawater. Magnesium is essential to life, found in every living cell and involved in every physiological process we rely on to live. Our energy currency is called ATP, and magnesium is essential for its production and utilization. Magnesium plays a vital role in the contraction and relaxation of muscles, including skeletal muscles, as well as the of the gastrointestinal tract, and muscles regulating blood flow, blood pressure and breathing passages.