Omega 3 fish oil side effects are not insignificant compared to the great number of benefits they have. Omega 3s found in fish oil supplements are crucial for proper brain functioning and its development. They also prevents many types of cancers, heart diseases, depression and diabetes. There aren’t any particular side effects associated with Omega 3 fatty acids, in fact, up to 3 grams per day are regarded as safe, according to the U.S. Food and Drug Administration. However, if you over-dose it for an extended period of time, the following side effects may occur: » Read more..