Creatine as a nutritional supplement
In food, creatine is found in highest concentration in raw meat and fish. However, it is unstable in the presence of heat, which means that cooking reduces the creatine levels. One would have to consume very large amounts of meat and fish to supply the creatine necessary to maintain energy during intense exercise.
Muscle CP levels can be built and maintained with creatine supplementation. Loading the muscular and central nervous system with creatine supplements may produce a super-compensation. By boosting the body's creatine pool, athletes may be able to extend their workouts and compete longer at a more vigorous level, particularly those engaged in weight training, basketball, football, sprinting and other types of short-term intense activities.
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What is creatine?
One of the keys to success for anyone who exercises is to keep the muscles and brain energized. Muscle contraction and relaxation are fueled by a chemical form of energy in our cells, called adenosine triphosphate (ATP). However, muscles have only a small supply of ATP which is rapidly depleted during exercise, particularly of the anaerobic (short, intense) kind. When muscles need quick, explosive energy, as in weightlifting or sprinting, the body resynthesizes this ATP supply using creatine phosphate.
Creatine is a naturally occurring compound produced by the liver and stored in the brain, skeletal and cardiac muscle, sperm and certain cells of the immune system where it is used to make creatine phosphate (CP), a key substance that helps speed up the ATP refueling process. More creatine in the muscles would mean more CP to unleash more energy. Muscles then are able to do more work at higher intensity.
What happens when there is a creatine deficiency?
CP breaks down rapidly during the first few minutes of intense exercise. Decline in muscle power and the onset of fatigue during repeated intense muscle contractions are thought to result from a depletion of muscle CP stores.
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Average Customer Review:
Number of Reviews: 1
This is a good quality creatine. Has nothing but pure creatine in it. I like it because I can mix it with a variety of things.
Aaron Smith
Indianapolis, IN
2/8/2008
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