There are two types of fiber: soluble fiber and
insoluble fiber. While both of these are important to include in your diet,
studies have shown that one type of fiber can also help to lower your
We have already known some of the other heatlhy benefits that fiber has to
offer. It helps with normal bowel function and it adds bulk to foods to make you
feel fuller. However, there is evidence of another, essential benefit that fiber
may have is that it can improve your heart health.
Types of Fiber
Although there are several forms of fiber, they can be classified into two major
groups: soluble fiber and insoluble fiber. While both are good for the body,
only one group has been shown to be beneficial in lowering your cholesterol.
Soluble fiber can be dissolved in water and forms a gel-like consistency in the
digestive tract. On the other hand, insoluble fiber cannot be dissolved in
water, so it passes through the digestive tract relatively unchanged. When it
comes to your heart health, it appears that only soluble fiber is beneficial in
lowering your cholesterol. In fact, studies have shown that consuming 10 to 25
grams soluble fiber a day can lower cholesterol by 18%.
However, it appears to only lower your “bad” cholesterol (LDL) –- your “good”
cholesterol (HDL) and triglycerides are only minimally, if at all, affected by
soluble fiber. Additionally, insoluble fiber does not appear to affect
cholesterol levels, but it is important in maintaining a healthy colon.
Where Can I Get Soluble Fiber?
A variety of foods contain soluble fiber. By consuming the recommended amounts
of fruits, vegetables, whole grains, and legumes in the Food Pyramid, you should
be able to obtain the recommended amount of soluble fiber each day.
While fiber supplements can be used to fulfill this requirement, it is not
recommended that you use them as substitute for eating a healthy diet. Fruits
and vegetables also contain important nutrients, such as vitamins, that cannot
be obtained through a fiber supplement.
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