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Creatine

Creatine may help to strengthen muscles, but athletes who take these supplements need to know how much they can take safely before they harm themselves. When you exercise and your muscles get as much oxygen as they need, they burn carbohydrates, fats and protein for energy. When you exercise so intensely that you cannot get all the oxygen you need, your muscles use creatine and ATP. So when you exercise so intensely that you can't get enough oxygen, you can delay fatigue by taking creatine and it allows you to do more work, which makes you stronger.

The body of a 160 pound man contains 120 grams of creatine and he takes in and uses about two grams a day. No good studies have been done to show what amounts are safe to take beyond what your own body makes, so let the buyer beware. Creatine may allow you to lift more weights and make you stronger, but it may harm you. Taking too much creatine can cause weight gain, increased insulin production and possibly kidney damage. High levels of insulin constrict arteries to cause heart attacks and affect the brain and liver to make you fat. The chemical process of extracting creatine in the laboratory forms toxic contaminants called dicyandiamide and dihydrotriazines, that have to be removed before humans can take them safely. The industry that distributes creatine is unregulated and you have no way to know what you are actually buying.

May 11th, 2013
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About the Author: Gabe Mirkin, MD

Sports medicine doctor, fitness guru and long-time radio host Gabe Mirkin, M.D., brings you news and tips for your healthful lifestyle. A practicing physician for more than 50 years and a radio talk show host for 25 years, Dr. Mirkin is a graduate of Harvard University and Baylor University College of Medicine. He is board-certified in four specialties: Sports Medicine, Allergy and Immunology, Pediatrics and Pediatric Immunology. The Dr. Mirkin Show, his call-in show on fitness and health, was syndicated in more than 120 cities. Read More
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