Demystifying Fats

Demystifying Fats

“[Recent data] clearly contradicts the low­fat­is­good­health message and the idea that all fat is bad for you. The exclusive focus on the adverse effects of fat may have in fact contributed to the obesity epidemic.”*
Dr. Walter WillettChairman, Department of Nutrition, Harvard University

Yes, fat has more calories per gram that protein and carbohydrates, so it should be eaten mindfully when weight loss is a goal. Fat, however, also helps to create a feeling of satiety and can be very useful in controlling blood sugar swings. Coconut oil is an excellent tool for facilitating weight­loss and blood sugar control.

The key concept in healthily enjoying delicious fats in your diet is selection. Some fats are very healthy. Other fats are very dangerous. Here is a summary of some key considerations and shopping tips:

1. Omega­ 3: Essential Fatty Acids

This is one of the top deficiencies in the American diet! Called “essential” because your body cannot make its own supply; they must be consumed. Helps lower levels of stress hormones in the body such as cortisol. It’s important to get the right balance of omega ­6 and omega­ 3 fats to optimize your body’s metabolism. Most modern diets, however, lack omega ­3 fats entirely. Try to eat at least one serving per day of fatty fish (e.g. mackerel, salmon, herring), fish oil, walnuts, or ground flaxseeds (2T). Many people also benefit from an omega­ 3 supplement. If you choose fish oil, be sure to look for one that is independently certified as being completely toxin­-free. Cheap fish oil is often inferior, and you don’t want to consume contaminants, especially mercury.

2. Don’t eat transfats at all

Don’t just limit them. Read labels. Avoid all foods that include any type of “partially hydrogenated” oil (e.g. Coffee Mate, Cool Whip, many “low fat” products, most crackers/cookies). Be diligent. This chemically ­modified fat is in wide use to extend the shelf life of processed foods. Unfortunately, it’s also proven to reduce “good” cholesterol, increase “bad” cholesterol, and increase the likelihood of heart disease.

3. Eat monounsaturated fats liberally (e.g. fish, almonds, walnuts, avocado, olives).

Emphasize these fats for weight loss and blood sugar control. They also help to suppress hunger naturally.

4. Enjoy coconut oil liberally

Coconut oil is saturated oil but a unique medium­ chain form that cannot be stored in the body and is readily available for energy. It is also particularly healthy for your thyroid. Be sure to choose an unrefined variety. Eat it plain (by the spoonful) to stave off in-between ­meal hunger. Cook with it. Coconut oil is one of the few fats that do not become rancid when heated to higher temperatures. For weight loss or to counter inflammation in the body, consider eating a 1 Tbsp daily, preferably with breakfast.

5. Use caution with Omega ­6 polyunsaturated oils

Despite the marketing push behind these oils, most are highly processed in a series of steps akin to oil refinement to create gasoline. If you do choose these, be sure to select cold­pressed varieties. Unfortunately, these oils are highly prevalent in processed foods. Again, setting a habit to read the labels of all processed foods is helpful. Common oils in this category include soybean, canola, safflower, peanut, and sunflower.

6. Saturated fat from animal products

Used for centuries as the primary source of dietary fat (e.g. cream, butter, full fat yogurt meat). Choose free-­range, grass-­fed sources (available online and at some grocery stores e.g. Trader Joe’s, Whole Foods). Avoid all meats that are not certified as being both hormone­ and antibiotic­-free. Pay attention to how this type of fat makes you feel (satisfied, tired, energized, hungrier?) Make sure you are getting sufficient Omega­ 3 essential fatty acids in order to balance the saturated fat in your body and to keep inflammation low.


Gary Taubes, “What If It’s All Been a Big Fat Lie?” New York Times magazine, July 7, 2002.

I highly recommend his book, “Why We Get Fat” for a deep investigation into medical research about fats & society’s misguided fat­-free food obsession.

Purpose LLC, http://www.eatonpurpose.com

Recent data clearly contradicts the low­fat­is­good­health message and the idea that all fat is bad for you. The exclusive focus on the adverse effects of fat may have in fact contributed to the obesity epidemic.”*
­ Dr. Walter WillettChairman, Department of Nutrition, Harvard University

Contrary to the catch phrases from the low­fat movement in the US the past few years, we need fat. Fat plays a key role in innumerable processes in the body. The membrane of every cell in your body is made of fat. Many nutrients are fat­soluble (e.g. Vitamins A & D) and can best be absorbed in the body when eaten along with fat. Fat is your body’s mainstay energy source (with carbohydrates serving primarily immediate or emergency needs). Fat should be a significant part of your diet everyday.

Yes, fat has more calories per gram that protein and carbohydrates, so it should be eaten mindfully when weight loss is a goal. Fat, however, also helps to create a feeling of satiety and can be very useful in controlling blood sugar swings. Coconut oil is an excellent tool for facilitating weight­loss and blood sugar control.

The key concept in healthily enjoying delicious fats in your diet is selection. Some fats are very healthy. Other fats are very dangerous. Here is a summary of some key considerations and shopping tips:

  • Omega­3 (N­3): Essential Fatty Acids. This is one of the top deficiencies in the American diet! Called “essential” because your body cannot make its own supply; they must be consumed. Helps lower levels of stress hormones in the body such as cortisol. It’s important to get the right balance of omega­6 and omega­3 fats to optimize your body’s metabolism. Most modern diets, however, lack omega­3 fats entirely. Try to eat at least one serving per day of fatty fish (e.g. mackerel, salmon, herring), fish oil, walnuts, or ground flaxseeds (2T). Many people also benefit from an omega­3 supplement. If you choose fish oil, sure to look for one that is independently certified as being completely toxin­free. Cheap fish oil is often inferior, and you don’t want to consume contaminants, especially mercury.
  • Don’t eat transfats at all. Don’t just limit them. Read labels. Avoid all foods that include any type of “partially hydrogenated” oil (e.g. Coffee Mate, Cool Whip, many “low fat” products, most crackers/cookies). Be diligent. This chemically­modified fat is in wide use to extend the shelf life of processed foods. Unfortunately, it’s also proven to reduce “good” cholesterol, increase “bad” cholesterol, and increase the likelihood of heart disease.
  • Eat monounsaturated fats liberally (e.g. fish, almonds, walnuts, avocado, olives).Emphasize these fats for weight loss and blood sugar control. They also help to suppress hunger naturally.
  • Enjoy coconut oil liberally. Coconut oil is saturated oil but a unique medium­chain form that cannot be stored in the body and is readily available for energy. It is also particularly healthy for your thyroid. Be sure to choose an unrefined variety. Eat it plain (by the spoonful) to stave off in­between­meal hunger. Cook with it. Coconut oil is one of the few fats that do not become rancid when heated to higher temperatures. For weight loss or to counter inflammation in the body, consider eating a Tbsp daily, preferably with breakfast.
  • Use caution with Omega­6 polyunsaturated oils. Despite the marketing push behind these oils, most are highly processed in a series of steps akin to oil refinement to create gasoline. If you do choose these, be sure to select cold­pressed varieties. Unfortunately, these oils are highly prevalent in processed foods. Again, setting a habit to read the labels of all processed foods is helpful. Common oils in this category include soybean, canola, safflower, peanut, and sunflower.
  • Saturated fat from animal products. Used for centuries as the primary source of dietary fat (e.g. cream, butter, full fat yogurt meat). Choose free­range, grass­fed sources (available via the internet and at some grocery stores e.g. Trader Joe’s, Whole Foods). Avoid all meats that are not certified as being both hormone­ and antibiotic­free. Pay attention to how this type of fat makes you feel (satisfied, tired, energized, hungrier?) Make sure you are getting sufficient Omega­3 essential fatty acids in order to balance the saturated fat in your body and to keep inflammation low

Gary Taubes, “What If It’s All Been a Big Fat Lie?” New York Times magazine, July 7, 2002. I highly recommend his book

“Why We Get Fat” for a deep investigation into medical research about fats & society’s misguided fat­free food obsession.

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