What Is Creatine in the Body?
Creatine is an amino acid that is found naturally in the muscle tissue of vertebrates. It works to help supply energy to muscles and nerve cells. Its chemical name is methyl-guanidine-acetic acid. Creatine is also available as a dietary supplement.
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Compostion
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Creatine consists if three amino acids: arginine, glycine and methionine. The liver combines the three to create creatine. The amount of creatine in a person is based on the muscle mass, since up to 98 percent of creatine in the body is stored in the muscles. The remaining is stored in various parts such as the brain and the heart (see Resources).
Function
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Creatine's most notable function is the production of energy. There is some substantiation that creatine may stimulate muscle growth. There is also scientific evidence that creatine supplements help muscle tears repair faster (see Resources).
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Benefits
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Creatine is believed to improve the overall physical well-being of athletes and the elderly. In addition to the claims of elevated energy and increased muscle mass, these attributes work in tandem to help a person burn more calories and body fat.
A Fountain of Youth?
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Growth hormones regulate body fat, the immune system, bone mass, help heal wounds, and have a plethora of other essential bodily functions. Aging causes growth hormones to decline, and creatine is believed to increase them. Creatine may improve appearance, skin and the general health in some individuals.
Excess Creatine
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Any creatine that is not used by the body is converted to waste and eliminated from the body.
Dosage
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No dosage will fit everyone. It is imperative to not take more than necessary. Athletes are encouraged to take creatine supplements immediately after exercise (see Resources).
Side Effects
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Dehydration, muscle volumizing, cramps, nausea, gas, diarrhea, renal stress and low blood pressure have been reported. Long-term side effect and/or benefits are not documented (see Resources).
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