What is fish oil?

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Fish oil essential fatty acids (omega-3 polyunsaturated fats) that can be found in certain fish, plants, nut oils, or vegetables. As these essential fatty acids are not created by the body, they must be consumed through the diet. Do not confuse omega-3 fatty acids for omega-6 fatty acids, which can be found in foods such as avocados, eggs, and sunflower seed oil.

A fish oil supplement is an excellent source of omega-3 essential fatty acids, as it supplies you with both docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). Other sources of omega-3 fatty acids include walnuts, canola oil, soybeans, flaxseed/linseed oil, and olive oil. These foods all contain the essential fatty acid alpha-linolenic acid (ALA).
 

Continue Learning about Dietary Supplements

Dietary Supplements

Whether you're visiting the drug store, grocery or natural food shop you'll likely find an aisle where there are jars and bottles of things for you to put in your body that are neither foods nor medicines. Ranging from vitamins an...

d minerals to fiber and herbal remedies, these supplements are not regulated in the same way as either food or medicine. Some of them are backed by solid research, others are folk remedies or proprietary cures. If your diet does not include enough of certain vitamins or minerals, a supplement may be a good idea. Natural treatment for conditions like constipation may be effective. But because these substances are unregulated, it is always a good idea to educate yourself about the products and to use common sense when taking them. This is even more true if you are pregnant or taking a medicine that may be affected by supplements.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.