Olive leaf extract is known for a wide range of medicinal uses, which include cold relief and prevention of serious conditions like diabetes and heart disease. It has been used in traditional medicine to treat pain, fever, and various infections. Today, it is commonly used as a health supplement and comes in liquid and capsule forms.
The effects of olive leaf come from oleuropein, a bitter compound with antimicrobial and disease-fighting properties. However, the effects of olive leaf and oleuropein may not be the same for every patient. Before taking olive leaf supplements, consult your doctor to find out whether it will work for you. Here are some of the common effects of olive leaf and tips on using them safely.
Antimicrobial properties
Oleuropein destroys pathogens viruses, bacteria, fungi, and other pathogens that cause disease. It keeps microorganisms from replicating, thus preventing the spread of infections. It is ideal for treating colds, flu, cold sores, and eye, ear, nose, and throat infections. Note that olive leaf extract does not cure the infection, but simply keeps it in check and prevents it from spreading or recurring.
Antioxidant and immune protection
Olive leaf extract has powerful antioxidant properties. Antioxidants destroy free radicals that damage the cells and increase the risk of disease, including several forms of cancer. Taking olive leaf extract after a cold or infection can help revive the immune system after being weakened by pathogens.
Cholesterol reduction
Studies suggest that olive leaf extract can reduce low-density lipoproteins (LDL) or bad cholesterol, one of the major risk factors of heart disease. It can also improve blood flow, lower blood pressure, and strengthen the arteries.
Side effects
A common side effect is Herxheimer’s reaction, caused by the release of toxins the body as pathogens are killed. Symptoms include nausea, fever, seating, and muscular pain. This is usually harmless, but you should consult your doctor if the symptoms become severe. The effects of olive leaf can also interfere with blood pressure and diabetes medications. Pregnant and breastfeeding women should also consult their doctors before taking olive leaf supplements.
IMPORTANT: As an herbal supplement, olive leaf extract is loosely regulated compared to synthetic drugs. Additives in some products may not only reduce the effects of olive leaf, but may even be harmful to your health. To stay safe, buy only products that are GMP-compliant and make sure they do not contain any artificial colors or flavors.
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