Omega fatty acids are known to be good for the body and they are also needed for normal brain function. The use of Omega fatty acids for a person that is suffering from depression helps to give their brain and needed nutrients and this can help decrease the chemicals that help to cause depression.

There have been studies done that clearly have linked poor diets or a low dietary intake of omega-3 fatty acids with depression. This is one of the nutrients that are found in cold water fish such as salmon, anchovies and sardines. The fact that omega-3 is found in these cold water fish, means it also been linked with containing too much mercury, rather than consuming too much fish, this fatty acid can be found in supplements.

There are some medications that fish oil capsules may interact with, such as blood thinning drugs or aspirin and for this reason it should not be taken two weeks prior to surgery. Other side effects of taking omega-3 in the form of fish oil capsules is that it might cause indigestion, cause bleeding in the stomach and there can also be a fishy aftertaste. To battle the aftertaste associated with omega-3 capsules is that it should be taken prior to eating a meal. If taking blood thinners it is advisable to speak with a physician prior to beginning a daily regiment of omega-3 in capsule form.