Dr. Mercola: Ignore the Naysayers, This Oil Is a Boon for Your Thyroid, Brain and Heart

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Use Coconut Oil Daily

    January 22, 2018 • 8,728 views Edition: English

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    Saturated fats, and most particularly coconut oil, are an important part of the human diet. Recent research suggests coconut oil may help control Crohn’s disease by improving your gut microbiome
    Studies show coconut oil also supports healthy thyroid function, promotes heart health and healthy brain function, boosts immune function and energy, aids weight loss and much more
    Coconut oil is an excellent choice for cooking, as it can resist heat-induced damage. Processed vegetable oils produce oxidized cholesterol and toxic cyclic aldehydes and acrylamide when heated
    Bulletproof coffee is a brain-boosting high-performance beverage you can easily make by adding MCT oil or coconut oil and grass fed, unsalted butter or ghee to black, organic coffee
    Coconut oil can also replace a number of pricy and potentially hazardous personal care products, including moisturizers, hair masks, shaving lotion, cleansers and makeup removers, body scrub, toothpaste and much more

By Dr. Mercola

Despite the fact that more than 2,000 studies1 have been performed on coconut oil, demonstrating a wide range of benefits, it continues to be wrongfully vilified to this day, mainly because 90 percent of its fat content is saturated fat. However, saturated fats, and most particularly coconut oil, are an important part of the human diet. If you have bought into the media hype that saturated fats are unhealthy and will raise your risk of heart disease, it may be time to reconsider your position.

Coconut products, particularly coconut oil, have been used by certain populations around the world for millennia, and in places where coconut oil is consumed as part of the standard diet, people seem to thrive. Take the Polynesian populations of Pukapuka and Tokelau, for example, whose diets tend to be high in coconut and other saturated fats and low in cholesterol and sugar.

Here, researchers found that "vascular disease is uncommon in both populations and there is no evidence of the high saturated-fat intake having a harmful effect."2

Another study3 focused on the Kitava in Papua New Guinea. Besides eating a lot of fish, fruit and tubers, coconut is also a prominent staple. None of the indigenous people in this study reported stroke, sudden death, chest pain or discomfort due to coronary heart disease (CHD).

In fact, the researchers concluded that stroke and CHD appeared to be absent in this population. Aside from its internal health benefits, coconut oil also has countless other uses. You can rely on it for topical beauty applications, for example, thereby avoiding any number of hazardous chemicals.
How Coconut Oil Can Benefit Your Health and Well-Being

Nutritionally speaking, the healthy fats found in coconut oil lend can have significant effects on your well-being. Research has shown it can:

Support healthy thyroid function. Unlike soy oil and other vegetable oils, coconut oil does not interfere with thyroid function. It has anti-inflammatory properties that can help reduce inflammation that may lead to hypothyroidism and hyperthyroidism.4

Promote heart health. Animal and human studies have found that heart disease risk factors such as total, LDL and HDL cholesterol levels are improved by taking coconut oil. In particular, coconut oil's saturated fats may increase "good" HDL cholesterol, while also helping convert "bad" LDL cholesterol into a less harmful form.5

Promote healthy brain function. Researchers found that ketones may work as an alternative energy source for malfunctioning brain cells, which has been found to reduce symptoms in patients with Alzheimer's disease.6

Boost immune function. The lauric acid, antimicrobial lipids, capric acid and caprylic acid that coconut oil contains are known for their antifungal, antibacterial and antiviral properties.7 Regularly using it may help prevent colds/flu, and alleviate illnesses like hepatitis C, herpes and the Epstein-Barr virus.8

Boost energy. The medium-chain fatty acids (MCTs) in coconut oil are immediately digested and converted into energy by your liver.

Support healthy metabolism.

Aid weight loss. Coconut oil provides an excellent fuel for your body and stimulates your metabolism to help you shed excess body fat.

Aid digestion. Coconut oil is easy on your digestive system and will not produce an insulin spike in your bloodstream. The MCTs can also be absorbed easily in your digestive tract, compared to longer chain fatty acids found in polyunsaturated vegetable oils.

Control Crohn’s disease. Recent research shows healthy plant-derived fats such as coconut oil can bring about positive changes in your gut bacteria, decreasing the symptoms of Crohn’s disease, an often debilitating condition.

Maintain healthy, youthful looking skin. Applying coconut oil topically benefits your skin, reducing the appearance of wrinkles and fine lines as the oil keeps your connective tissues strong and supple. Limited evidence also suggests it may boost collagen production,9 although the mechanism of action is unknown.

Control candida. A study published in mSphere found that mice given coconut oil had a tenfold drop in the colonization of Candida albicans yeast in their gut, compared to mice given soybean oil or beef tallow.10

Promote oral health. One study found that massaging coconut oil on your gums for 10 minutes a day for three weeks significantly reduces plaque and decay-causing Streptococcus mutans.11
Use Coconut Oil for Cooking

Coconut oil is an excellent choice for cooking, as it can resist heat-induced damage. This way, you’re not consuming damaged, oxidized oils. Processed vegetable oils, on the other hand, such as soybean, corn, cottonseed and canola oil, produce oxidized cholesterol when heated, which increases thromboxane formation — a factor that clots your blood, as well as two toxins: cyclic aldehydes and acrylamide.

It’s beyond unfortunate that the American Heart Association (AHA) decided to slow down much-needed progress by sending out its international presidential advisory12 warning against the use of coconut oil and butter, reiterating its old recommendation to use polyunsaturated fatty acids (PUFAs) such as margarine and vegetable oil instead. Overall, the AHA still recommends limiting your daily saturated fat intake to 6 percent of daily calories or less, which is far below what your body needs for optimal health.13

This advisory, sent out in June last year, was sharply criticized by many health experts, and for good reason. For starters, the studies on which the advisory was based all date from the 1960s and early 1970s — the eras when the low-fat myth was born and grew to take hold. Many studies since then have demolished and refuted the science the AHA still clings to, but none of them were included.

According to Dr. Cate Shanahan,14 a family physician and author of “Deep Nutrition: Why Your Genes Need Traditional Food,” the AHA’s message “is not only false, it is dangerous,” noting that the AHA is actually making false claims since none of the studies included in their analysis involved coconut oil specifically.

It’s also worth noting that most of the early studies on coconut oil that found less than favorable results used partially hydrogenated coconut oil, not unrefined virgin coconut oil.15 Hydrogenated oil is not the same as unrefined oil, even when you’re talking about something as healthy as coconut. This little detail is what led to the undeserved vilification of coconut oil in the first place.
Why Vegetable Oils Are a Hazardous Choice

Modern research is just now starting to reveal what actually happens at the molecular level when you consume vegetable oil and margarine, and it’s clear that these fats are not doing your heart any favors. For example, Sanjoy Ghosh,16 a biologist at the University of British Columbia, has shown your mitochondria cannot easily use PUFAs for fuel due to the fats’ unique molecular structure. Other researchers have shown the PUFA linoleic acid can cause cell death in addition to hindering mitochondrial function.17

PUFAs are also not readily stored in subcutaneous fat. Instead, they tend to get deposited in your liver, where they contribute to fatty liver disease, and in your arteries, where they contribute to atherosclerosis. According to Frances Sladek,18 Ph.D., a toxicologist and professor of cell biology at UC Riverside, PUFAs behave like a toxin that builds up in tissues because your body cannot easily rid itself of them. When vegetable oils like sunflower oil and corn oil are heated, cancer-causing chemicals like aldehydes are also produced.19

So, in summary, if your aim is better heart health, ignore the AHA’s ignorant and prejudiced advice on dietary fats and cooking oils. It’ll lead you in the complete opposite direction. While the AHA claims replacing saturated fats with PUFAs will cut your risk of heart disease, CHD rates have not improved in the decades that people have followed its recommendations on fat intake. Common sense tells us if the AHA’s advice hasn’t worked in the last 65 years, it’s not likely to start working now.
Medium-Chain Triglycerides and Their Health Benefits

Ninety percent of the fat in coconut oil is saturated and about two-thirds of the fats are medium-chain fats, also referred to as MCTs. MCTs get their name from their chemical structure, and can be divided into four groups based on their carbon length:

    6 carbons (C6), caproic acid
    8 carbons (C8), caprylic acid
    10 carbons (C10), capric acid
    12 carbons (C12), lauric acid

Clinical uses of MCT oil (typically a combination of C8 and C10, which increase ketone levels far more effectively than the others) include:20

    Appetite reduction and weight loss21,22
    Improved cognitive and neurological function with possible implications in neurodegenerative diseases
    Increased energy levels and improved athletic performance
    Improved mitochondrial function and subsequent reduced risk for diseases such as atherosclerosis, diabetes, cancer, cardiovascular disease and autoimmune diseases
    As part of a specialized dietary therapy for the treatment of epilepsy23
    Prevention of nonalcoholic fatty liver disease24

As a general rule, the shorter the carbon chain, the more efficiently the MCT is converted into ketones, which are an excellent mitochondrial fuel. Ketones can even pass the blood-brain barrier to supply your brain with energy. They’re a far preferable fuel than glucose, as they produce fewer reactive oxygen species and secondary free radicals when burned. Ketones also help suppress the hunger hormone ghrelin, and as your ketone level rises, CCK, a satiety hormone, is activated. As a result, food cravings and hunger pangs vanish, which will go a long way toward avoiding unnecessary snacking. MCTs also:

    Have a thermogenic effect, which has a positive effect on your metabolism
    Are helpful for ridding your gut of harmful microorganisms like pathogenic bacteria, viruses, fungi and parasites
    Have antioxidant and anti-inflammatory properties

MCT Oil — Another Healthy Alternative

Coconut oil provides a mix of all of these MCTs, but the longer chained C12 (lauric acid) makes up over 40 percent of it. (The exception is fractionated coconut oil, which contains primarily C8 and C10.25) Lauric acid is most well-known for its antibacterial, antimicrobial and antiviral properties. Since it’s a longer chained molecule, it does not increase ketone levels to any significant degree.

While coconut oil provides a range of MCTs, for clinical uses such as those listed above, a more concentrated and potent MCT oil is recommended. Most commercial brands of MCT oil contain a 50/50 combination of C8 and C10. My personal preference is straight C8 (caprylic acid), as it converts to ketones the fastest. It also tends to be easier on your digestion.

Concentrated MCT oil and/or coconut oil can both be consumed daily, but start with a small amount. Taking high doses of MCT oil before you develop tolerance can cause loose stools and gastrointestinal side effects. I recommend taking no more than 1 teaspoon of MCT oil to start. Have it at the same time as another fat, such as a handful of nuts, with ghee in your coffee, or as one of the oils in your salad dressing. Once your tolerance increases, you can slowly increase to as much as 4 tablespoons of MCT oil or coconut oil per day.

If you stop taking it for a while and then restart, begin with a small amount again to allow your digestive system to readjust. That said, MCT oil is often more easily digested by those struggling to digest other types of fat, such as those with malabsorption, leaky gut, Crohn’s disease or gallbladder impairment (such as an infection or if you had your gallbladder removed).
Upgrade Your Coffee Creamer

Many people who drink coffee do so with all kinds of additives, often referred to just as "cream and sugar". Non-dairy creamer can scarcely be called "cream" at all and is more aptly described as a synthetic combination of chemicals, trans fats, high fructose corn syrup and artificial flavors. Give your coffee an upgrade by adding some grass fed butter, MCT oil or C8 to it. You can also make this brain-boosting high-performance beverage found on the Bulletproof blog:26

Procedure

    Brew 1 cup (8 to 12 ounces) of coffee using filtered water with 2 1/2 heaping tablespoons of freshly ground organic coffee beans. A French press will help preserve beneficial oils in the coffee that would otherwise be filtered out.
    Add anywhere from 1 teaspoon to 2 tablespoons of C8 MCT oil. Alternatively, you could use organic coconut oil.
    Add 1 to 2 tablespoons of grass fed, unsalted butter or grass fed ghee.
    Mix the ingredients in a blender for 20 to 30 seconds until it looks like a foamy latte.

Explore the Many Uses for Coconut Oil

Keeping a jar of organic coconut oil on hand could save you a lot of money since it replaces a wide variety of other products, both in the kitchen and elsewhere. As mentioned, coconut oil is not only a beneficial food. It can also replace a number of pricy and potentially hazardous personal care products, including moisturizers, hair masks, shaving lotion, cleansers and makeup removers, body scrub, toothpaste and much more. For inspiration, see “Countless Uses for Coconut Oil — The Simple, the Strange and the Downright Odd.”

If you’ve been fooled into going on a low-fat diet, or follow advice that recommends vegetable oils over coconut oil or butter, please look at the evidence and reconsider your options. Saturated fats will not make you pack on pounds; nor will it raise your risk for heart disease. On the contrary, saturated fat, such as that found in coconut oil, offers many health benefits, including improved heart health. If you don’t believe it, try it out for yourself.

Swap all of those margarine spreads and processed vegetable oils you’re using for coconut oil. After about three months or so, recheck your blood levels and compare your results. Chances are, you’ll find yourself in a lower risk category for heart disease than you were before, even if your total cholesterol (which says nothing about your heart disease risk) happens to go up. A simple way to get more coconut oil into your diet is to add it to your coffee or smoothie in the morning.
+ Sources and References
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Disclaimer: The entire contents of this website are based upon the opinions of Dr. Mercola, unless otherwise noted. Individual articles are based upon the opinions of the respective author, who retains copyright as marked. The information on this website is not intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice. It is intended as a sharing of knowledge and information from the research and experience of Dr. Mercola and his community. Dr. Mercola encourages you to make your own health care decisions based upon your research and in partnership with a qualified health care professional. If you are pregnant, nursing, taking medication, or have a medical condition, consult your health care professional before using products based on this content.

If you want to use an article on your site please click here. This content may be copied in full, with copyright, contact, creation and information intact, without specific permission, when used only in a not-for-profit format. If any other use is desired, permission in writing from Dr. Mercola is required.

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