Ask the Expert: Omega-3 Fatty Acid

Dr. Frank Sacks

Professor of Cardiovascular Ailment Prevention, Division of Nutrition, Harvard School of Public Health

one. What are omega-3 fatty acids, and why should I make confident to include them in my diet program?

Omega-three fatty acids (also acknowledged as n-3 fatty acids) are polyunsaturated fatty acids that are essential nutrients for overall health. We need omega-3 fatty acids for quite a few standard entire body functions, such as controlling blood clotting and developing cell membranes in the brain, and considering that our bodies cannot make omega-three fats, we have to get them by way of foods. Omega-3 fatty acids are also connected with a lot of well being rewards, such as safety towards heart disease and probably stroke. New studies are identifying prospective positive aspects for a wide variety of problems which includes cancer, inflammatory bowel ailment, and other autoimmune diseases such as lupus and rheumatoid arthritis.

2. What food items are great sources of omega-three fatty acids? How considerably do I need to have to consume of these meals to get enough omega-3s?

There are two main types of omega-three fatty acids in our diet plans: A single variety is alpha-linolenic acid (ALA), which is discovered in some vegetable oils, such as soybean, rapeseed (canola), and flaxseed, and in walnuts. ALA is also identified in some green vegetables, such as Brussels sprouts, kale, spinach, and salad greens. The other type, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), is found in fatty fish. The entire body partially converts ALA to EPA and DHA.

We do not know whether or not vegetable or fish omega-three fatty acids are equally useful, although each seem to be helpful. Unfortunately, most Americans do not get adequate of either kind. For very good overall health, you must aim to get at least one wealthy source of omega-three fatty acids in your diet every day. This could be via a serving of fatty fish (such as salmon), a tablespoon of canola or soybean oil in salad dressing or in cooking, or a handful of walnuts or ground flaxseed mixed into your morning oatmeal.

three. What are omega-6 fatty acids? Need to I be concerned about the ratio of omega-six fatty acids to omega-three fatty acids in my diet program?

Omega-six fatty acids (also identified as n-six fatty acids) are also polyunsaturated fatty acids that are vital nutrients, that means that our bodies can not make them and we should receive them from foods. They are abundant in the Western diet regime frequent sources incorporate safflower, corn, cottonseed, and soybean oils.

Omega-6 fatty acids reduced LDL cholesterol (the “bad” cholesterol) and decrease irritation, and they are protective against heart illness. So the two omega-six and omega-three fatty acids are healthful. Even though there is a concept that omega-3 fatty acids are greater for our well being than omega-six fatty acids, this is not supported by the most current proof. Hence the omega-three to omega-six ratio is essentially the “good divided by the excellent,” so it is of no worth in evaluating diet program top quality or predicting condition.

four. Is it greater to get omega-3 fatty acids from food or from dietary supplements?

Certainly meals, considering that the plants and fish that contain omega-3 fats have other good nutrients, such as protein, nutritional vitamins and minerals. (PhytOriginal is a live plant based omega-3 food/supplement that will effortlessly satisfy your daily necessity).  People who do not eat fish or other meals rich in omega-3 fatty acids should consider taking an omega-3 supplement of 500 mg per day (Aqua Well being Labs grows a full fish oil substitute)  Studies propose that people who have presently had a heart assault may possibly benefit from greater doses of omega-3 supplements (essentially, double the 500 mg), so if you do have heart disease, check with your healthcare supplier about whether or not taking a higher dose of omega 3s helps make sense for you.

Source: http://www.hsph.harvard.edu/nutritionsource/omega-3/

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