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Visceral Fat: The Hidden Menace

Updated on October 29, 2015

What is Visceral Fat?

We are well aware of subcutaneous fat, for it is easy to see and you can pinch it with your fingers. It sits just below the skin and covers the definition of your muscles. The less subcutaneous fat you have, the more your muscles show. Visceral fat, on the other hand, surrounds your internal organs, such as the heart, liver, and pancreas. Research is discovering that all fat does not act the same. Visceral fat is more metabolically active, meaning that it sends fat into the bloodstream at a much more rapid pace than subcutaneous fat does. Researchers speculate that when we were hunting our food, our bodies needed to have this type of quick energy for survival. Now, not so much. It keeps our LDL cholesterol and triglyceride levels high1.

Other Concerns of Visceral Fat

Visceral fat does more than just pump fat into the bloodstream raising LDL and triglycerides, which leads to heart disease if left unchecked. It also does a host of other bad things:

  • It produces Cytokines. Cytokines are hormones that produce inflammation. Inflammation wrecks havoc on the body. It causes atherosclerosis, tumor growth, oxidation and aging (!).
  • It increases the stress hormone cortisol and reduces the level of endorphins. The effect of this hormonal action is that one would feel tired, weak, and apathetic.
  • It decrease testosterone production1. This makes it harder to pout on muscle, and in turn makes it easier to put on even more fat. Thus, a negative feedback loop is started that gets more difficult to break over time.

Visceral fat seems to be a major culprit for a whole host of age related diseases, and generally feeling lousy. Keeping visceral fat under control is more important for fitness and health than focusing on just being slender and looking good. Diet and exercise are the most important things you can do to fight the onset of visceral fat, as well as the less deadly subcutaneous fat, but the question remains: which is the best way?

Deciphering the Research

After examining several different articles relating to visceral fat, I am finding different conclusions and recommendations as to the best way to lose it and maintain a healthy muscle/fat ratio. One study quoted by The Daily Mail, shows that even moderate diet and exercise changes make a major impact on visceral fat loss. Another study demonstrates that strength training does not help with visceral fat loss, yet aerobic training does1. A third study shows the exact opposite: high intensity training works better than low intensity training (i.e. aerobic training). Two studies were more concrete in their diet recommendations (see Here, and the footnote) which I will write more about below. As confusing as it may seem to put together a coherent plan, I will weigh on the research and compare/contrast it with my years of personal training experience. Drawing on all of these sources, I intend to to offer you solid, easy to follow advice for your visceral fat fighting plan.


Authors note: I wrote these recommendations three years ago. I have since changed my position stand. I decided to keep my original recommendations in here so you can compare and contrast between the two. I do this with the belief that you would have more information to make better decisions for yourself. I will put my new recommendations below in italics.

Let's start with nutrition. I'll cherry pick the recommendations the will have the largest impact from the research:

  • Cut out Fructose as much as you can. Several studies, one that is noted here1, clearly show fructose, along with high fructose corn syrup, encourages visceral fat storage. The best thing you can do is avoid or severely curtail your consumption of sweets. Soda, candy, cakes, and other pastries are the main sources of high fructose corn syrup. Many package and processed foods may contain this as well.
  • Eat whole grains. A study in the American Journal of Clinical Nutrition (2010), found that people who ate three servings or more of whole grains a day had 10% less visceral fat than those who had hardly any or no whole grains in their diet1. Quinoa, barley, and high fiber rice (4 grams of fiber per serving or more), are good sources.
  • Eat plenty of fruits and vegetables. The more colorful, the better.
  • Calories do play a big role. Visceral fat, just like subcutaneous fat thrive on excess calories. The general recommendation I give my clients is this: for women, between 1,400 to 1,700 calories a day, and for men it is 1,800 to 2,200 calories a day.
  • Alcohol in moderation. No more than 3 to 4 drinks a week.

A sound nutrition program is not hard to follow. It takes planning and a willingness to stick to it. The good news is that there are plenty of healthy and good tasting foods that you can use to live a healthy life. Put a little more emphasis on the items I listed above and you will go a long way to fighting visceral fat.

My new recommendations:

  • Do cut out the fructose, but in all forms. This includes high fructose corn syrup...and the fructose in fruit. As a matter of fact, cut back on all forms of sugar. Keep total sugar intake to under 10% of your daily total calories.
  • Do not eat whole grains liberally. More specifically, keep your total carb intake to, at a maximum, 150 grams a day or less.
  • Calories do play a role on fat gain, but not to the degree as previously thought. The types of calories matter more. There is plenty of research suggesting that carbohydrates sends signals to the body to store fat. Additionally, carbohydrates prompts the body to over eat.
  • To see fast fat loss, and this is especially important for visceral fat, keep carbohydrate intake to 100 grams a day or less. Women will benefit with 80 grams or less a day.

I am far more successful as a trainer in helping my clients lose unwanted body fat, as well as personally maintaining a high degree of leanness by using a low carb approach. It is now what I recommend.


Now for exercise. As mentioned earlier, some research suggests that aerobic training works better than strength training for visceral fat loss1, and others say exercise, no matter what it is, is good enough (see here). Before I give my suggestions, I want to cite a study from the Department of Human Services:


The metabolic syndrome is a complex clustering of metabolic defects associated with physical inactivity, abdominal adiposity, and aging.


To examine the effects of exercise training intensity on abdominal visceral fat (AVF) and body composition in obese women with the metabolic syndrome.


Twenty-seven middle-aged obese women (mean +/- SD; age = 51 +/- 9 yr and body mass index = 34 +/- 6 kg x m(-2)) with the metabolic syndrome completed one of three 16-wk aerobic exercise interventions: (i) no-exercise training (Control): seven participants maintained their existing levels of physical activity; (ii) low-intensity exercise training (LIET): 11 participants exercised 5 d x wk(-1) at an intensity < or = lactate threshold (LT); and (iii) high-intensity exercise training (HIET): nine participants exercised 3 d x wk(-1) at an intensity > LT and 2 d x wk(-1) < or = LT. Exercise time was adjusted to maintain caloric expenditure (400 kcal per session). Single-slice computed tomography scans obtained at the L4-L5 disc space and midthigh were used to determine abdominal fat and thigh muscle cross-sectional areas. Percent body fat was assessed by air displacement plethysmography.


HIET significantly reduced total abdominal fat (P < 0.001), abdominal subcutaneous fat (P = 0.034), and AVF (P = 0.010). There were no significant changes observed in any of these parameters within the Control or the LIET conditions.


The present data indicate that body composition changes are affected by the intensity of exercise training with HIET more effectively for reducing total abdominal fat, subcutaneous abdominal fat, and AVF in obese women with the metabolic syndrome.

Abstract studies. Dry, boring, gobbledygook. Got to love them. Allow me to decipher what this study says:

The main purpose of the study was to see what kind of impact exercise intensity had on visceral fat loss for middle aged women who have metabolic syndrome. The researchers wanted to see if low intensity or high intensity exercise was better for the battle against visceral fat. All of the women, except those in the control group, exercised five times a week. The high intensity exercisers did hard exercise three times a week (i.e. they trained above the anaerobic threshold), and low intensity exercise the remaining two times a week. The low intensity exercisers did the low intensity exercise only for 5 times a week. Exercise time was adjusted so that caloric expenditure matched for both the low intensity and high intensity exercisers to stabilize this variable (very good!). They used advanced methods for measuring body fat along with visceral fat (I admit, I am not familiar with air displacement plethysmography).

The conclusions from the study shows high intensity exercise to be more effective than low intensity exercise for visceral fat loss in middle aged women with metabolic syndrome. To take it farther, it makes sense that these kinds of results can work on middle aged men too...and even people without metabolic syndrome. Thus, this study bears weight to intense excise working better for visceral fat loss.

Aerobic training came into vogue in the early1980s. This was largely due to the Cooper Institute strongly favoring aerobic exercise, along with Jim Fixx, who was a long distance runner who wrote an influential book touting the benefits of aerobic exercise, and of course, Jane Fonda and her workout tapes. At the time, research was saying that to lose body fat, one must do aerobic training, and if one wanted to gain muscle, one had to lift weights. There was a lone voice during that era that claimed aerobic training was not very good for fat loss, and more importantly, that too much training wore the body down. His recommendation for the best health benefits (including fat loss) with the least amount of harm to the body was to do brief, hard exercise that challenged the heart and lungs as well as the muscles. Who was this man? Arthur Jones, the inventor of the nautilus machines.

I was strongly influenced by the writings of Dr. Ellington Darden, who worked for Arthur Jones back in the day. He was the one who put to paper what Arthur Jones was researching. I used to do a lot of aerobic training during this time of my life, but as I practiced more of what Ellington Darden was writing, the less exercise I would do (and the harder I trained). I got overall better results, and physically felt better.

Over the last 10 years, more research is saying much the same thing Arthur Jones used to recommend; i.e. harder briefer exercise with more rest between workouts for better health. The study cited above offers proof that this advice works for visceral fat loss too. It makes sense, for when you think about it, visceral fat is very active and meant to be used for quick energy. You need quick energy for intense workouts. These workouts are much more comparative to what our ancestors had to do to survive. We still, apparently, have those same metabolic mechanisms today.

My recommendation, based on my experience with myself and my clients who wanted to see fat loss, along with the above study and what many other researchers are saying, is to include intense exercise into your routine.


The big picture is this: A diet low in carbohydrates, with a special emphasis on minimizing fructose (including, and especially high fructose corn syrup), while maintaining low carb ratios (150 grams a day or less for men, 80 grams a day or less for women) will help fight the visceral fat. As far as exercise is concerned, I do believe that moderate, low intensity exercise can help, for something is better than nothing. I would like to encourage people who do not like to exercise to at least take this step, but to really fight visceral fat, exercise above the lactic acid threshold is your best bet for long term results.


1. Men's Health, July/August2012. How Fat Attacks. pg. 106-110.


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    • profile image

      Bryan 18 months ago

      You recommend avoiding fructose, but increasing fruits and vegetables. Aren't many fruits and root vegetables rife with fructose by nature? If so, are there fruits/vegetables that would be best avoided?

      I'm sure that the point of your general statement was intended to increase daily fiber intake, but it seems that additionally avoiding fruits/vegetables high in fructose (apples, grapes, banana, figs, beets, carrots, corn, etc.) would aid significantly in visceral fat reduction.

    • Gregg Hoffman profile image

      Gregg Hoffman 18 months ago from 2322 Central Park Blvd. Denver, Co 80238

      Hi Bryan. Thank you for commenting.

      Good catch. You are 100% correct in that thinking. I wrote this article a few years ago, before I delved into the whole paleo/low carb thinking, and I gave the standard advice that most mainstream nutritionists gave. I have since changed my views.

      I have experimented with a low carb approach, and I am much leaner than I used to be. As a matter of fact, I lost 14 pounds of fat...fat that I did not know I had, and I maintained my muscle too. I am convinced that the average diet is simply too high in carbs...all carbs, but especially in Fructose.

      These days I recommend to cut fruit consumption way the point of maybe not eating it at all. Moreover, I also recommend people cut way back on "healthy" carbs as well, for the same reasons.

      I'll make the changes in my article.

      Once again, thank you for pointing that out.

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