It is a rich source of antioxidants known asanthocyaninsand is often used to support the immune system.
Elderberry is often touted for use against viral infections such as the common cold or the flu.
It is marketed for several other conditions as well, but research is lacking.

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No supplement is intended to treat, cure, or prevent disease.
Most proposed uses of elderberry have not been supported by research.
Further research is needed.

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Additionally, dietary supplements should not be used to treat a condition or disease.
Is Elderberry Recommended To Prevent COVID-19?
Avoid any elderberry products with unsubstantiated claims of effectiveness for COVID-19.
What Are the Side Effects of Elderberry?
Ripe, cooked elderberry fruit is considered safe to eat in moderation.
Even ripe berries can contain trace amounts, so elderberriesmustbe cooked before you eat them.
Precautions
Elderberry use is considered safe for up to 12 weeks.
However, some groups of people should avoid elderberry.
Dosage: How Much Elderberry Should I Take?
There is no standard recommendation for dosing elderberry.
There are no standard recommended amounts for elderberry in gummies, tablets, or teas.
Is It Safe To Take Elderberry Every Day?
Commercially made elderberry supplements shouldnt contain cyanide, so theyre considered safe for daily use.
Only take the amount recommended on the label.
Since homemade/artisan syrups might contain small amounts of cyanide, use them cautiously.
What Happens If I Take Too Much Elderberry?
Elderberry extract comes off as safe when taken in small doses.
Taking amounts greater than recommended could be more likely to result in undesirable side effects.
Elderberries should always be cooked and processed before theyre consumed.
Poisoning from elderberries is rarely life-threatening.
But it may cause:
Get medical attention if you develop these symptoms after consuming elderberry.
Supplements should always be stored out of reach of children and pets to prevent accidental consumption.
Keep your supplements stored according to the instructions on the product label.
Fresh elderberries may last longer when refrigerated.
Dietary supplements are not regulated like conventional food products or drugs in the United States.
Look for products that have undergone independent testing to confirm that the contents match what’s on the label.
Food Sources of Elderberry
you might buy dried berries online and in health food stores.
If you want fresh berries, be sure you buy them from a reputable source.
Summary
Elderberry is marketed mostly for immune support.
Some research suggests it reduces the severity and duration of symptoms associated with the flu or common cold.
However, it does not prevent infections or illnesses.
There is limited data on the uses of elderberry other than viral infection symptom management.
However, elderberry extract in supplement form is generally safe to take in small doses.
National Center for Complementary and Integrative Health.Elderberry.
Mynarczyk K, Walkowiak-Tomczak D, ysiak GP.Bioactive properties ofSambucus nigraL.
as a functional ingredient for food and pharmaceutical industry.J Funct Foods.
2018;40:377-390. doi:10.1016/j.jff.2017.11.025
University of Rochester Medical Center.Elderberry.
U.S. Department of Agriculture: FoodData Central.Elderberries, raw.
2023;28(7):3148.
2015;18(B):941-958. doi:10.1016/j.jff.2014.07.012
Martini N.Elderberry.J Prim Health Care.
2014;11(1):80-120. doi:10.3109/19390211.2013.859852
Mount Sinai.Elderberry.
Hussain Y, Khan H.Immunosuppressive drugs.Encyclopedia of Infection and Immunity.
U.S. Food and Drug Administration.FDA 101: dietary supplements.
Children’s Hospital of Philadelphia.Poisonous berries.