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Does the Liver Benefit from Coconut Oil?

1

A fat used in baking and sautéing, coconut oil may harbor some exciting protective effects for the liver.

Media coverage of coconut oil’s health benefits seems to be emerging at an increasing rate. Once ignored in the health arena because it is a saturated fat, research over the past several years has changed our perspective of coconut oil. Used both orally and topically, coconut oil has been found to improve the skin, cholesterol, immune, dental and metabolic health. Adding to the hype around this solid-at-room-temperature lipid, coconut oil has recently demonstrated an ability to help keep the liver healthy.

What Is Coconut Oil?

Grown in coconut palm trees, coconuts are a staple in tropical climates. While practical uses have evolved for every part of the coconut, coconut oil is derived from the coconut’s meat. When having a discussion about coconut oil, it is important to distinguish between the two main types of coconut oil:

  1. Virgin coconut oil is extracted from the fruit of fresh mature coconuts without using high temperatures or chemicals.
  2. Refined coconut oil is made from dried coconut meat that’s often chemically bleached and deodorized, raising its smoke point and reducing coconut taste.

Refined coconut oil may be partially hydrogenated. Hydrogenation is the process of heating oil and passing hydrogen bubbles through it to increase the oil’s density. Partial hydrogenation creates trans fats, which are known contributors to high cholesterol and they raise heart disease risk. Partial hydrogenation also destroys many of the good fatty acids, antioxidants and other positive components present in virgin coconut oil.

The Fat Content of Coconut Oil

Pure, virgin, coconut oil contains 92 percent saturated fat – the highest proportion of saturated fat of any fat. In general, saturated fats tend to:

  • be solid at room temperature.
  • be found in animal products.
  • contain cholesterol.

However, the saturated fat in coconut oil differs from most fats because it contains a unique blend of short and medium-chain fatty acids. Medium-chain fatty acids have an unusual chemical structure that allows the body to digest them easily. Most fats are broken down in the intestine, transformed and transported into the bloodstream. On the other hand, medium-chain fatty acids are absorbed intact and taken to the liver, where they are used directly for energy.

Coconut oil is also higher than other fats in lauric acid. Lauric acid may play a role in the oil’s effect of raising blood levels of HDL cholesterol, the type of cholesterol that is good for your heart.

Coconut Oil and the Liver

Various claims have been made for the benefits of pure, virgin, coconut oil; but liver health is a relatively new contender. Experts believe the presence of medium-chain fatty acids helps prevent liver disease because they are easily converted into energy when they reach the liver. This benefits the liver in two ways:

  • The conversion of fatty acids into energy reduces the liver’s workload.
  • By transforming into energy instead of entering the bloodstream, fat accumulation in the liver is prevented.

In addition, coconut oil has been documented to have antiviral, antibacterial and antifungal properties. Some scholars suspect that coconut oil’s antimicrobial abilities helps destroy microbes and minimizes free radical formation in the liver. The deficiency of reproducible, double blind, human studies on virgin coconut oil’s benefits to the liver prevents it from being a mainstream recommendation. Nonetheless, the evidence is slowly building:

  • According to an animal study published in a May 2014 edition of the Journal of Basic and Clinical Physiology and Pharmacology, the active components of coconut oil had protective effects against toxicity in the liver.
  • In another animal study published in a 2011 edition of Evidence-Based Complementary and Alternative Medicine, researchers found that virgin coconut oil protected the liver from damage typically caused by paracetamol (a known liver toxin).

Coconut Oil Cautions

The information supporting coconut oil for liver health is weighed down by the fact that it is a saturated fat – a known contributor to heart disease. There is credible evidence suggesting that the link between saturated fats and heart disease may not be as strong as we had previously thought, but the USDA Dietary Guidelines continue to suggest avoiding saturated fats, including tropical oils like coconut.

There is certainly controversy, with health professionals disagreeing over the potential positive and negative effects of coconut oil’s medium-chain fatty acids. Even so, most agree that as long as it is used in moderation, coconut oil is a terrific cooking medium. According to the New York University Langone Medical Center, people can safely substitute coconut oil for up to 50 percent of their dietary fat. Despite this claim, it is important to include other types of fats in your diet because medium-chain fatty acids do not contain essential fatty acids that are necessary for good health.

As long as it is consumed in moderation, coconut oil is quite safe. Of course, this does not include those who are allergic to coconut. In addition, some people report nausea and gastric discomfort when first introduced to coconut oil.

Besides being a wonderful medium to cook with, pure, virgin coconut oil is steadily proving itself to be a superior fat. Because coconut oil can protect the liver from toxins and fat accumulation, it is a particularly valuable kitchen staple for those concerned with their liver’s well being.


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http://www.eatright.org/Public/content.aspx?id=6442477202, Coconut Oil – What is It All About?, Jackie Newgent, RDN, CDN, Retrieved December 14, 2014, Academy of Nutrition and Dietetics, 2014.

http://www.liverguru.com/coconut-oil.html, Coconut Oil: The Surprising Benefits, Retrieved December 9, 2014, liverguru.com, 2014.

http://www.med.nyu.edu/content?ChunkIID=21809, Medium-Chain Triglycerides, Retrieved December 14, 2014, EBSCO Publishing, 2014.

http://www.ncbi.nlm.nih.gov/pubmed/21318140?dopt=Abstract, Hepatoprotective activity of dried- and fermented-processed virgin coconut oil, Zacaria, ZA, et al, Retrieved December 9, 2014, Evidence-Based Complementary and Alternative Medicine, January 2011.

http://www.ncbi.nlm.nih.gov/pubmed/24285126?dopt=Abstract&report=abstract, Virgin coconut oil protects against liver damage in albino rats challenged with the anti-folate, trimethoprim-sulfamethoxazole, Otouchere, CA, Retrieved December 9, 2014, Journal of Basic and Clinical Physiology and Pharmacology, May 2014.

http://www.treelight.com/health/nutrition/PartiallyHydrogenatedOils.html, Metabolic Poisons: What's Wrong with Partially Hydrogenated Oils?, Retrieved December 14, 2014, Eric Armstrong, 2014.

http://www.webmd.com/diet/features/coconut-oil-and-health, The Truth About Coconut Oil, Kathleen M. Zelman, MPH, RD, LD, Retrieved December 14, 2014, WebMD, LLC, 2014.

http://www.youthhealthmag.com/articles/3172/20141126/coconut-oil-health-benefits-dental-care-skin-care-immunity-among-them.htm, Coconut Oil Health Benefits: Dental Care, Skin Care, Immunity Among Them, Retrieved December 8, 2014, Youth Health Magazine, 2014.

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About the Author

Nicole Cutler, L.Ac., MTCM, Dipl. Ac. (NCCAOM)®

Nicole Cutler, L.Ac., MTCM is a long time advocate of integrating perspectives on health. With a Bachelor's degree in Neuroscience from the University of Rochester and a Master's degree in Traditional Chinese Medicine from Five Branches Institute, Nicole has been a licensed acupuncturist since 2000. She has gathered acupuncture licenses in the states of California and New York, is a certified specialist with the National Acupuncture Detoxification Association, has earned diplomat status with the National Commission of Chinese and Oriental Medicine in Acupuncture and Chinese Herbology and is a member of the Society for Integrative Oncology. In addition to her acupuncture practice that focuses on stress and pain relief, digestion, immunity and oncology, Nicole contributes to the integration of healthcare by writing articles for professional massage therapists and people living with liver disease.

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