Easily accessible, fish oil capsules are sold over-the-counter and do not need a prescription. The supplement is one of the most popular among adults in the United States. Salmon, tuna and herring are used to make fish oil capsules. The supplement is high in omega-3 essential fatty acids. Still, both positive and negative effects may occur when you consume fish oil capsules. Speak with your health-care provider before adding the supplement to your daily routine.
Pro: Low Triglycerides
MedlinePlus reports fish oil capsules are most likely effective in lowering high triglyceride levels in the body. Triglycerides are fatty substances in the blood that are a precursor to coronary heart disease, and are often seen in patients with untreated diabetes. The website reports that taking fish oil may reduce triglycerides by as much as 20 to 50 percent. The American Heart Association recommends taking 2 g to 4 g of fish oil capsules to treat high triglyceride levels. Only take fish oil under the direct care of a medical doctor.
Pro: Cardiovascular Benefits
Fish oil is consumed by most people to reduce coronary heart disease and for other heart-health benefits. CHD occurs when vessels in the body narrow due to plaque buildup and formation along the walls of arteries. Fish oil decreases the buildup of plaque and reduces the hardening of the arteries, known as atherosclerosis. Fish oil is also a natural blood thinner and prevents the buildup of blood clots, which may lead to heart attacks or strokes. The supplement may also slightly lower blood pressure by widening vessels and easing blood flow. If you have documented coronary heart disease, the AHA recommends taking 1 g of fish oil daily. Consuming a diet with fatty fish allows you to receive enough fish oil. The AHA suggests that Americans consume fatty fish, such as salmon, tuna and herring, twice a week.
Con: Bleeding Side Effects
When you take more than 3 g of fish oil capsules, your blood may not clot as quickly. Fish oil decreases the activity of platelets in the blood. Platelets are sticky bodies that form together when an injury occurs to stop bleeding. MayoClinic.com states bleeding rarely becomes a medical emergency and is often seen as a nosebleed, slight blood in the urine or bleeding of the gums. Your skin may bruise more easily. If bleeding does not stop or areas become painful, seek medical attention.
Con: Fishy Burps
An embarrassing side effect of fish oil capsules are fishy burps and belches. Freezing the fish oil capsules and taking them with food can slightly buffer the fishy aftertaste, suggests MayoClinic.com. The website also suggests switching brands to find one that works for you. Some brands are also marketed as "odor-free." These fish oil capsules have a coating and do not digest in your stomach, but rather in your intestine.
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