The Facts on Omega-3 Fatty Acids

by WeCare Marketing
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When it comes to fat, there’s one type you don’t want to cut back on: omega-3 fatty acids. Two crucial ones — EPA and DHA — are primarily found in certain fish. ALA (alpha-linolenic acid), another omega-3 fatty acid, is found in plant sources such as nuts and seeds. Not only does your body need these fatty acids to function, but also they deliver some big health benefits.

How They Help Your Health

Blood fat (triglycerides). Fish oil supplements can lower elevated triglyceride levels. Having high levels of this blood fat puts you at risk for heart disease and stroke.

Rheumatoid arthritis. Fish oil supplements (EPA+DHA) may curb stiffness and joint pain. Omega-3 supplements also seem to boost the effectiveness of anti-inflammatory drugs.

Depression. Some researchers have found that cultures that eat foods with high levels of omega-3s have lower levels of depression. The effects of Fish oil supplements on depression has been mixed. More research is needed to see if it can make a difference.

Baby development. DHA appears to be important for visual and neurological development in infants.

Asthma. A diet high in omega-3s lowers inflammation, a key component in asthma. But more studies are needed to show if fish oil supplements improve lung function or cut the amount of medication a person needs to control the condition.

ADHD. Some studies show that fish oil can reduce the symptoms of ADHD in some children and improve their mental skills, like thinking, remembering, and learning. But more research is needed in this area, and omega-3 supplements should not be used as a primary treatment.

Alzheimer’s disease and dementia. Some research suggests that omega-3s may help protect against Alzheimer’s disease and dementia, and have a positive effect on gradual memory loss linked to aging. But that’s not certain yet.

Where to Get Omega 3s

When possible, try to get omega-3 fatty acids from foods rather than supplements. Aim to eat non-fried, oily fish high in DHA and EPA omega-3 fatty acids at least two times a week.

These include:

  • Anchovies
  • Bluefish
  • Herring
  • Mackerel
  • Marlin
  • Orange roughy
  • Salmon 
  • Sardines
  • Sturgeon
  • Lake trout
  • Tuna
While eating more fatty fish is a good idea, some are likely to have higher levels of mercury, polychlorinated biphenyls (PCBs), or other toxins. These include mackerel, wild swordfish, tilefish, and shark.Fish like wild trout and wild salmon are safer.

Good food sources of ALA are:

  • Walnuts
  •  Flaxseed and flaxseed oil
  • Canola oil
  • Soybean oil
  • Chia seeds

While foods containing omega-3 fatty acids have health benefits, some — like oils and nuts — can be high in calories. So eat them in moderation.

Should You Supplement?

Fish oil has both EPA and DHA. Algae oil has DHA and may be a good option for people who don’t eat fish.

Talk to your doctor about taking a supplement first. They may have specific recommendations, or warnings, depending on your health and the other medicines you take. There are also omega-3 prescriptions available. Epanova, Lovaza, Omtryg, and Vascepa contain DHA/DPA and are recommended for adults with triglycerides 500 mg/dL or above. Unlike fish oil supplements, these medications are approved and monitored for quality and safety by the FDA for specific use.

People with heart disease are usually advised to take 1 gram (1,000 milligrams) daily of a combination DHA /EPA from fish oil.

People with some health conditions may take doses of up to 4 grams a day — but only under a doctor’s supervision.

The most common side effects from fish oil are indigestion and gas. Getting a supplement with a coating might help.

Omega-3 supplements (DHA/EPA) can make bleeding more likely. If you have a bleeding condition — or take medicines that could increase bleeding, like apixaban (Eliquis), betrixaban (Bevyxxa), clopidogrel (Plavix), prasugrel (Effient), rivaroxaban (Xarelto), ticagrelor (Brilinta), warfarin (Coumadin), and some NSAIDs — talk to a doctor before using any omega-3 supplements.

Article Reviewed by Christine Mikstas, RD, LD on June 30, 2019

Photo by Diane Helentjaris on Unsplash
https://www.webmd.com/healthy-aging/omega-3-fatty-acids-fact-sheet#1

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