How to Reduce Cholesterol Without Medication or Even Changing Your Diet

Diet AND exercise— if you have ever had a blood test showing your cholesterol is high and wondered how to reduce cholesterol without medication, your doctor has likely told you that you need to change your diet AND increase your exercise. This combination is the standard, first line therapy to lower cholesterol without medication. The assumption is that a combination of the two is always required for lowering cholesterol.

But what if you’re more successful at one or the other? You may find it easier to start exercising regularly, for instance, than to change your diet, or vice versa.

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Can you really lower cholesterol without medication if you don’t change your diet?

The Duke researchers designed a study in which 204 sedentary, overweight subjects were randomized to one of three supervised aerobic exercise programs for six months. There was also a control group that remained inactive. Subjects were instructed not to change their baseline diets or weight during the trial.

All the subjects were considered high risk for developing cardiovascular disease because they were either overweight or mildly obese and they had mild to moderate cholesterol abnormalities (either high LDL cholesterol (130–190 mg/dL) or low HDL cholesterol (< 40 mg/dL for men, or < 45 mg/dL for women)).

The subjects’ normal diet patterns were closely scrutinized and rated on how much they strayed from the ideal American Heart Association’s recommended diet.

The exercise groups consisted of one group assigned to a low-amount of moderate-intensity aerobic exercise, a second group that did a low-amount of vigorous-intensity aerobic exercise, and third group that did a high-amount of vigorous- intensity aerobic exercise.

There was a ramp-up period of 2 to 3 months to allow subjects to adapt to their exercise prescription, followed by 6 additional months of supervised training at the appropriate exercise prescription. The researchers speculated that for those in the high amount/vigorous intensity exercise group, diet wouldn’t have much effect on cholesterol, but that for those in the low amount/moderate intensity and low amount/vigorous intensity groups, diet patterns would be more influential on cholesterol.

Results show how to reduce cholesterol without medication, without following the AHA diet

What the researchers found, however, was that ALL the exercise groups experienced significant improvements in their cholesterol after the 9 months were up: LDL, HDL, and triglycerides all improved. Specifically, the exercise groups all experienced statistically significant improvements in the amount and average size of LDL particles, the amount of HDL cholesterol, the average size of HDL particles, and the level of triglycerides.

Not surprisingly, the subjects’ diets were, on average, too high in total fat and saturated fat, and too low in fiber and omega-3 fatty acids, according to the researchers. But there was wide variation in people’s diet patterns overall, and, interestingly, even those subjects that strictly adhered to the American Heart Association’s recommended healthy diet did not show greater cholesterol improvements.

All in all, diet with respect to the American Heart Association recommendations had no influence on any of the cholesterol components measured. Likewise, diet did not affect how the subjects’ cholesterol components responded to exercise.

In terms of the subjects’ weight, over the 9-month study period, the control group had a slight increase in body weight, whereas the body weights of the subjects in the treatment groups decreased modestly. Those in the high-amount/vigorous intensity group lost the most weight, about 4.5 pounds, while those in the other two groups lost an average of about 1.5 lbs.

The AHA diet— could portions of this recommended diet be counterproductive in the effort to lower cholesterol without medication?

Surprisingly, there are no previously published clinical trials that examine the combined effects of the American Heart Association’s recommended diet with exercise on cholesterol.

The researchers offered very little in way of explanation as to why diet didn’t seem to affect cholesterol, but stressed that their results “…should not be interpreted to mean that exercise negates the importance of a good diet in lipid management.”

Could it be that portions of the American Heart Association’s recommended diet are not helpful for improving cholesterol, and not the best approach for reducing the risk of heart disease?

Certainly, that is the opinion of many integrative physicians who specialize in cardiovascular disease and teaching patients how to reduce cholesterol without medication, such as Dr. Dean Ornish, Dr. Stephen Sinatra, and Dr. Joel Fuhrman.

Why would that be the case? One reason would be because the AMA diet still contains a recommendation for daily consumption of “Fiber-rich whole grains: At least three 1-ounce-equivalent servings a day.” Unfortunately ALL grains, including whole-grain, can elevate your insulin levels.

In fact, Dr. Mark Hyman reports that 2 slices of whole wheat bread raises your blood sugar more than 2 tablespoons of table sugar. Certainly these kinds of blood sugar spikes would be counterproductive to someone trying to control their own cholesterol levels with diet.

The study authors did recognize that their diet pattern scoring did not account for every dietary influence on cholesterol, such as amounts of sweetened drinks, fruits and nuts, or the glycemic index of carbohydrates.

These and other dietary factors have also been shown to influence lipids and cardiovascular disease risk, but are not addressed in the American Heart Association’s recommended diet.

So, if you’re trying to figure out how to reduce cholesterol without medication, how can you make this data useful to you?

Although it’s not possible to duplicate the exact exercise programs prescribed in this study, the main message is that any aerobic exercise, even relatively low amounts at moderate intensity, such as 30 minutes of brisk walking, can make a difference in your cholesterol levels. You’ll get benefits whether you also change your diet or not.

Diet-wise, the American Heart Association’s recommendations may not be enough to truly make a difference. Clearly, there’s much still to be learned about diet, exercise, and cholesterol. For many people, a combination of diet, exercise and targeted nutritional supplements gives them the best chance for effectively and quickly lowering cholesterol without medication.

For a clear discussion on all the available options, see our comprehensive guide on heart health. And get moving!

[1] Am Heart J. 2012 Jul;164(1):117-24.

This post originally appeared in 2013 and has been updated.

The post How to Reduce Cholesterol Without Medication or Even Changing Your Diet appeared first on University Health News.

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