Discussions Here are the top 10 topics visitors are searching. Heart Disease 8. Inosine is a nucleoside, one of the basic compounds comprising cells. It is a precursor to adenosine, an important energy molecule, and plays many supportive roles in the body, including releasing insulin , facilitating the use of carbohydrate by the heart, and, potentially, participating in oxygen metabolism and protein synthesis. Results of controlled studies have been disappointing, however, suggesting that inosine does not improve athletic performance and may even impair it.
Inosine is found in brewer's yeast and organ meats.
It is also available as a supplement. Inosine is not an essential nutrient, so deficiencies do not occur. No side effects have been reported with the use of inosine for two to five days in the limited research available. However, unused inosine is converted by the body to uric acid, which may be hazardous to people at risk for gout . At the time of writing, there were no well-known drug interactions with inosine.