Why Beans and Blood Sugar Make Excellent Friends

nuts and diabetes

When it comes to controlling blood sugar, it is the plentiful amount of soluble fiber in beans that seems to be the magical nutrient. If you have insulin resistance, hypoglycemia, or diabetes, adding beans into your regular diet can be very helpful.

The reason for this is that the soluble fiber in beans provides a slow burning and long lasting source of energy, consisting of complex carbohydrates and proteins for your body to use. Since these macronutrients take longer for your body to break down, blood sugar levels remain stabilized. When blood sugar are stabilized you body does not need to release as much insulin to control the glucose in the blood. This is crucial for diabetics patients, as they, especially, need to control their blood glucose and insulin levels in order maintain their health.

There is an excellent article from our partners at Reuters regarding beans and blood sugar:

Beans Show Promise with Diabetes: Study

(Reuters) Eating a cup of beans or lentils every day may help people with type 2 diabetes control their blood sugar and possibly reduce their risk of heart attacks and stroke, according to a Canadian study.

Researchers, whose results appeared in the Archives of Internal Medicine, found that compared with a diet rich in whole grains, getting a daily dose of legumes led to small drops in an important measure of blood sugar as well as in blood pressure and cholesterol levels.

After three months on the bean diet, study participants’ estimated 10-year risk of cardiovascular disease had fallen from 10.7 percent to 9.6 percent, according to the group.

“Legumes are good protein sources, and proteins tend to dampen the blood glucose response and they lower blood pressure,” said David Jenkins of St. Michael’s Hospital in Toronto, who led the study.

“They are also good sources of fiber and that tends to be associated with lower cholesterol.”

Legumes such as beans, chickpeas and lentils are already recommended for diabetics due to their low glycemic index, a measure of how far and how fast a given food sends up blood sugar. But there are few studies of their direct effects on diabetes, according to Jenkins.

Jenkins and his team divided 121 people with diabetes into two groups, one of which was instructed to up their intake of cooked legumes by at least a cup a day. The other was told to eat more whole wheat products to boost their fiber intake.

After three months, the researchers found that hemoglobin A1c levels had dropped from 7.4 percent to 6.9 percent in people eating beans, while it had fallen from 7.2 percent to 6.9 percent tin those getting extra whole wheat.

The number reflects the average blood sugar levels over the previous two to three months. Experts recommend keeping it under 7 percent.

Jenkins said that even though the drops were not huge, they were impressive partly because the whole-grain comparison diet is a healthy one and in part because people in the study were already on diabetes and blood pressure drugs.

There was no reduction in blood pressure with extra whole wheat, but a drop from 122 to 118 points in systolic blood pressure – the top number – with legumes and from 72 to 69 in diastolic. Blood pressure readings are considered normal is they are no more than 120 over 80.

Given the lower blood pressure, Jenkins and his colleagues calculated that diabetics getting a daily dose of beans would lower their 10-year risk of heart attack or stroke by just under one percentage point compared with people eating whole wheat.

By comparison, cholesterol-lowering drugs are thought to cut 10-year cardiovascular risk by about 20 percent, or two percentage points in people with a baseline risk of 10 percent.

The study didn’t find any more gastrointestinal complains in the legume group, apparently refuting the noting that downing lots of beans leads to excessive flatulence. Jenkins did warn, though, that the comparison group also got a lot of fiber, which could have prevented a potential effect.

“The public should be doing some preventive strategies using these foods,” he said. “We are not introducing some novel ‘Frankenfood’ into the diet, this is really deep, traditional stuff.” (Reporting from New York by Frederik Joelving at Reuters Health; editing by Elaine Lies)

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