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At Healthfully, we strive to deliver objective content that is accurate and up-to-date. Our team periodically reviews articles in order to ensure content quality. The sources cited below consist of evidence from peer-reviewed journals, prominent medical organizations, academic associations, and government data.
- MayoClinic.com; Omega-3 Fatty Acids, Fish Oil, Alpha-Linolenic Acid; August 2011
- MayoClinic.com; Treatment Options for Poor Circulation in Feet; December 2010
- MedlinePlus: Atherosclerosis
The information contained on this site is for informational purposes only, and should not be used as a substitute for the advice of a professional health care provider. Please check with the appropriate physician regarding health questions and concerns. Although we strive to deliver accurate and up-to-date information, no guarantee to that effect is made.
Can Fish Oil Help With Poor Blood Circulation?
Poor blood circulation can have many causes. It can make you feel cold, especially in your arms, legs, hands and feet. Fish oil has several health benefits, including the potential for increasing your blood circulation 3. As with any type of supplement, you should seek information and approval from your physician about the potential benefits of a fish oil supplement for your circulation 3.
Poor Circulation Causes
Several medical conditions can reduce blood circulation to your extremities. Diabetes, along with causing nerve damage in your feet, can reduce the amount of blood reaching your feet. Varicose veins occur when valves in the veins become weak or damaged and fail to recirculate blood back to your heart to pick up needed oxygen. The blood backs up the veins, forming varicose veins. Peripheral artery disease, or PAD, also can diminish blood flow to your limbs.
- Several medical conditions can reduce blood circulation to your extremities.
- Varicose veins occur when valves in the veins become weak or damaged and fail to recirculate blood back to your heart to pick up needed oxygen.
Cholesterol Problems
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Doctors most often recommend fish oil to their patients who have high levels of fats called triglycerides in their bloodstream 3. Triglycerides are classified as part of the “bad” form of cholesterol along with low-density lipoproteins. Fish oil, categorized as an omega-3-acid ethyl ester, or fatty acid, helps to counteract high triglyceride levels 3.
Atherosclerosis
Atherosclerosis is a condition characterized by the build-up of plaque in your arteries 2. Triglycerides adhere to the inner walls of your arteries and form a hard substance known as plaque. Plaque shrinks the available space in your arteries for blood to pass through. This increases your blood pressure, puts a strain on your heart and decreases the amount of blood reaching your arms and legs, as well as other areas of your body. Atherosclerosis also can precipitate the formation of dangerous clots that can cause strokes 2. The disease can lead to heart attacks as well, if left untreated. Your doctor will prescribe appropriate medicines for atherosclerosis but also may suggest the use of a fish oil supplement 23.
Fish Oil Benefits
Supplements That Dilate Blood Vessels
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Fish oil contains EPA, or eicosapentaenoic acid, and DHA, or docosahexaenoic acid 3. MayoClinic.com reports that ingesting EPA and DHA through fish or fish oil supplements can decrease your risks of heart attacks as well as arrhythmias and strokes 3. Fish oil reduces triglyceride levels in your blood, so the chance of adding more plaque to your arteries also diminishes 3. Fish oil also helps to clear out some of the plaque already in place, which opens your arteries and helps your blood flow through them more efficiently 3. This increases circulation to all parts of your body.
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References
- University of Maryland Medical Center; Omega-3 Fatty Acids; June 2009
- MedlinePlus: Atherosclerosis
- Drugs.com: Fish Oil
- American Heart Association. Getting Healthy. Fish and Omega-3 Fatty Acids. Updated March 23, 2017.
- U.S. Department of Agriculture. FoodData Central.
- National Institutes of Health. National Center for Complementary and Integrative Health. 7 things to know about omega-3 fatty acids. Updated October 9, 2019.
- Rizos EC, Ntzani EE, et al. Association Between Omega-3 Fatty Acid Supplementation and Risk of Major Cardiovascular Disease Events A Systematic Review and Meta-analysis. JAMA. 2012;308(10):1024-1033. doi:10.1001/2012.jama.11374
- Natural Resources Defense Council. Nicole Greenfield. The smart seafood buying guide: five ways to ensure the fish you eat is healthy for you and for the environment. Updated August 26, 2015.
Writer Bio
Carole Anne Tomlinson is a registered nurse with experience in rehabilitation, nutrition, chemical dependency, diabetes and health problems related to the elderly. Tomlinson holds a Bachelor of Arts in criminal justice and is presently working on her master's degree in nursing. Her screenplays have been viewed by Merchant Ivory, Angela Lansbury and Steven King's associates.