Find Information About:

Drugs & Supplements

Get information and reviews on prescription drugs, over-the-counter medications, vitamins, and supplements. Search by name or medical condition.

Pill Identifier

Pill Identifier

Having trouble identifying your pills?

Enter the shape, color, or imprint of your prescription or OTC drug. Our pill identification tool will display pictures that you can compare to your pill.

Get Started

My Medicine

Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.

Get Started

WebMD Health Experts and Community

Talk to health experts and other people like you in WebMD's Communities. It's a safe forum where you can create or participate in support groups and discussions about health topics that interest you.

  • Second Opinion

    Second Opinion

    Read expert perspectives on popular health topics.

  • Community


    Connect with people like you, and get expert guidance on living a healthy life.

Got a health question? Get answers provided by leading organizations, doctors, and experts.

Get Answers

Sign up to receive WebMD's award-winning content delivered to your inbox.

Sign Up

Font Size


Pycnogenol is a compound of natural chemicals. It comes from the bark of a European pine tree.

Pycnogenol is thought to be an antioxidant that helps protect cells from damage.

Recommended Related to Vitamins & Supplements


Forskolin is made from the root of a plant in the mint family. The plant grows in Nepal, India, and Thailand. It has long been used in traditional Asian medicine.

Read the Forskolin article > >

Pycnogenol is the registered trademark name for a French formula. The active ingredients in pycnogenol can also be extracted from other sources, including peanut skin, grape seed, and witch hazel bark.

Why do people take pycnogenol?

Pycnogenol seems to help with asthma and allergies. Early research shows that taking it at least 5 weeks before the start of allergy season seems to lessen symptoms.

In a study of kids with asthma, pycnogenol helped improve symptoms. It also lessened the amount of asthma medication they needed.

Pycnogenol may have benefits for heart and artery health. It seems to lower blood pressure and improve blood flow to the legs. Early research suggests it may also protect against coronary artery disease and blood clots.

There's good evidence that pycnogenol helps with eye damage caused by diabetes.

More research is needed to see how this supplement affects all of these conditions.

Pycnogenol may help with other conditions as well. They include:

We need more research to know for sure if pycnogenol helps treat these conditions.

Optimal doses of pycnogenol have not been set for any condition. Quality and active ingredients in supplements may vary widely from maker to maker. This makes it very hard to set a standard dose. Ask your doctor for advice.

Can you get pycnogenol naturally from foods?

Traditionally, people might drink a brew made from pine bark -- rich in pycnogenol -- as a treatment.

What are the risks?

Tell your doctor about any supplements you're taking, even if they're natural. That way, your doctor can check on any potential side effects or interactions with medications.

Side effects. Pycnogenol seems safe for use in adults for up to 6 months. It may cause side effects such as:

Risks. Pycnogenol may stimulate the immune system. So it may not be safe for people with immune disorders, such as:

Vitamins and
Lifestyle Guide

Which Nutrients
Are You Missing?

Learn More

Today on WebMD

vitamin rich groceries
Do you know your vitamin ABCs?
St Johns wart
Ease hot flashes and other symptoms.
Are you getting enough?
Take your medication
Wonder pill or overkill?
fruits and vegetables
Woman sleeping
Woman staring into space with coffee

Send yourself a link to download the app.

Loading ...

Please wait...

This feature is temporarily unavailable. Please try again later.


Now check your email account on your mobile phone to download your new app.