• ]]>Heart Attack Recovery]]>, ]]>Irregular Heartbeat]]>]]>]]>, ]]>Sports Performance Enhancement]]>, Tourette's Syndrome
Inosine is an important chemical found throughout the body. It plays many roles, one of which is helping to make ATP (adenosine triphosphate), the body's main form of usable energy. Based primarily on this fact, inosine supplements have been proposed as an energy-booster for athletes, as well as a treatment for various heart conditions.
Inosine is not an essential nutrient. However, brewer’s yeast and organ meats, such as liver and kidney, contain considerable amounts. Inosine is also available in purified form.
When used as a sports supplement, a typical dosage of inosine is 5 to 6 g daily (see Safety Issues).
Inosine has been proposed as a treatment for various forms of heart disease, from irregular heartbeat]]> to recovery from ]]>heart attacks]]> . ]]>1]]> However, the evidence that it offers any benefit to the heart remains far too preliminary to rely upon at all.
Inosine has also been suggested as a possible treatment for Tourette’s syndrome, a neurological disorder. ]]>7]]>
Although no side effects have been reported with the use of inosine, long-term use should be avoided. A very preliminary double-blind crossover study that enrolled 7 participants suggests that high doses of inosine (5,000 to 10,000 mg per day for 5 to 10 days) may increase the risk of uric acid–related problems, such as gout or kidney stones. 8]]>
The safety of inosine for young children, pregnant or nursing women, or those with serious liver or kidney disease has not been established.
As with all supplements taken in multigram doses, it is important to purchase a reputable product, because a contaminant present even in small percentages could add up to a real problem.
7. Cheng Y, Jiang DH. Therapeutic effect of inosine in Tourette syndrome and its possible mechanism of action [in Chinese; English abstract]. Chung Hua Shen Ching Ching Shen Ko Tsa Chih . 1990;23:90–93, 126–127.
Last reviewed April 2009 by EBSCO CAM Review Board]]>
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