Although corn silk is routinely used in herbal medicine,

Although corn silk is routinely used in herbal medicine,

However, preliminary research suggests that it may have health benefits, especially for certain types of inflammatory conditions like heart disease and diabetes.

Provides antioxidants
Antioxidants are plant compounds that protect your body’s cells against free radical damage and oxidative stress. Oxidative stress is one of the major causes of a number of chronic conditions, including diabetes, heart disease, cancer, and inflammation (1Trusted Source, 2Trusted Source).

Corn silk is a naturally rich source of flavonoid antioxidants.

Multiple test-tube and animal studies demonstrate that its flavonoids reduce oxidative stress and protect against free radical damage (1Trusted Source).

These compounds may be responsible for many of corn silk’s benefits.

Has anti-inflammatory properties
Inflammation is part of your body’s natural immune response. However, excessive inflammation is linked to a variety of illnesses, including heart disease and diabetes (3Trusted Source).

Test-tube and animal studies have found that corn silk extract may reduce inflammation by suppressing the activity of two major inflammatory compounds (1Trusted Source).

This stringy plant fiber also contains magnesium, which helps regulate your body’s inflammatory response (4, 5Trusted Source).

That said, human research is needed.

May manage blood sugar
Some research indicates that corn silk may lower blood sugar and help manage diabetes symptoms.

One animal study noted that diabetic mice given corn silk flavonoids had significantly reduced blood sugar compared to a control group (6Trusted Source).

A recent test-tube study also revealed that antioxidants in this corn product may help prevent diabetic kidney disease (7Trusted Source).

Although these results are promising, human studies are needed.

May lower blood pressure
Corn silk may be an effective treatment for high blood pressure.

First, it encourages the elimination of excess fluid from your body. As such, it could be a natural alternative to prescribed diuretics, which are often used to reduce blood pressure (1Trusted Source, 8Trusted Source).

What’s more, a recent study in rats discovered that corn silk extract significantly reduced blood pressure by inhibiting the activity of angiotensin-converting enzyme (ACE) (9Trusted Source).

In one 8-week study, 40 people with high blood pressure were given increasing amounts of this supplement until they reached a dose of 118 mg per pound of body weight (260 mg per kg) (10Trusted Source).

Their blood pressure dropped significantly compared to that of a control group, with those given the highest dose experiencing the greatest reduction (10Trusted Source).

Still, more human research is needed.

May reduce cholesterol
Corn silk may also lower cholesterol (11Trusted Source).

One animal study found that mice given corn silk extract experienced significant reductions in total and LDL (bad) cholesterol alongside increases in HDL (good) cholesterol (12Trusted Source).

In another study in mice fed a high-fat diet, those that received corn silk experienced significantly lower total cholesterol than those that did not get this supplement (13Trusted Source).

Even so, human research is needed.

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