There are few reports of adverse side effects directly associated with omega-3 fish oil. There are, however, potential side effects that you should consider when deciding how to supplement your diet with these heart-healthy essential fatty acids. Omega-3 fish oil, like any other nutrient essential, is most beneficial when taken in the right amount given your current bill of health, otherwise, their benefit to your health may stand as a detriment to your health. Always consult your physician for a complete evaluation before making any major dietary changes.
Common Fish Oil Side Effects
The most common side effects associated with omega-3 fish oil include belching, bad breath and heartburn. Other common side effects may include nausea, loose stools, rash and nosebleeds, according to US National Library of Medicine. These side effects are most often experienced when fish oil is taken in supplement, or pill form. To eliminate these side effects try replacing supplements with 2 to 3 meals of fresh fish per week as part of your regular diet; otherwise, reduce supplemental side effects by first freezing the omega-3 fish oil capsules and make sure you take them on a full stomach.
Fish Oil Dosage and Side Effects
Omega-3 fish oils are classified as Generally Regarded as Safe by the FDA. In addition, the FDA allows food and supplement manufacturers to make beneficial health claims regarding omega-3 fish oils and cardiovascular disease, provided daily intake is less than 2 g. At higher daily intakes side effects may occur, according to the US National Library of Medicine. When more than 3 g per day, blood clotting may become impaired and reduce the body's normal ability to stop blood loss. High doses might also reduce the body's immune system response, impairing its ability to fight infection. Larger amounts of omega-3 fish oil may increase "bad" cholesterol or LDL in some people; ironically, making high doses of fish oil increase the chances of heart disease, where otherwise, it is instrumental in preventing it.
Fish Oil Dietary Side Effects
While there have been few reported side effects associated with omega -3 fish oils when taken from dietary food sources, there are, however, indirect side effects associated with the marine environment these omega-3 rich fish inhabit. Particularly, meats from swordfish, shark, mackerel and some farm-raised salmon may have high levels of mercury or other industrial and environmental contaminates. High levels of mercury have been associated with side effects that effect the fetus in pregnant women. Fish oil supplements typically do not contain contaminants, and removing the skin from fresh fish helps reduce any exposure to contaminates. Nonetheless, if you are pregnant consult your physician before supplementing your diet with omega-3 fish oil.
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