Does American Elderberry Support Heart & Circulatory Health?
- Benjamin Machlitt
- 2 days ago
- 10 min read
Updated: 2 days ago
Part 6 of our 11-part deep-dive into the 10 Benefits of Taking American Elderberry Daily.
The Farm Brief
American elderberry is loaded with anthocyanins, the deep purple plant pigments researchers have studied for their antioxidant properties and their potential role in supporting healthy blood vessels and circulation.
That doesn’t make elderberry a heart medication. It doesn’t replace movement, good food, sleep, or the advice of your doctor.
It does make American elderberry one more deeply colored fruit worth adding to the long game.
Your heart doesn’t take a day off.
Mine sure didn’t in the Marines, and it doesn’t now when I’m walking the elderberry rows in Clearbrook, hauling buckets, fixing equipment, or working through another northern Minnesota winter.
Whether you’re working outside, chasing kids, or sitting through another long day at a desk, your circulatory system is doing the heavy lifting in the background every minute.
The older I get, the more I think about taking care of it.
This post is about where American elderberry may fit into that picture. Not hype. Not a miracle cure. Just real plant chemistry, the research we have so far, and why I include elderberry in my own daily routine.
What Gives Elderberries Their Deep Purple Color?
Crack open a ripe American elderberry and you’ll quickly see why it stains your fingers.
That deep purple juice comes from anthocyanins, a family of naturally occurring plant pigments also found in blueberries, blackberries, cherries, black raspberries, and other dark red, blue, and purple foods.
American elderberries can contain substantial amounts of anthocyanins and other polyphenols. In one study of 14 American elderberry accessions, researchers found that their phenolic content and antioxidant capacity were comparable with other dark-colored berries such as blackberries and black raspberries.
The amounts varied considerably from one elderberry accession to another, which is one reason the exact variety and growing conditions matter.
Anthocyanins are often described as antioxidants because they interact with processes related to oxidative stress.
Oxidative stress happens when reactive molecules are produced faster than the body’s own defense systems can manage them. Over time, excessive oxidative stress can affect cells throughout the body, including the cells lining the blood vessels.
That is one reason researchers have become interested in anthocyanin-rich foods and their possible relationship to heart and circulatory health.
How Anthocyanins May Support Blood-Vessel Health
Your blood vessels are lined with a thin layer of cells called the endothelium.
That lining helps your vessels widen and narrow, regulates blood flow, and plays an important part in maintaining normal vascular function.
Laboratory studies have found that elderberry anthocyanins can enter endothelial cells and increase their resistance to oxidative stress. More recent laboratory research also found that elderberry extract affected several molecular markers associated with normal endothelial function.
That is encouraging, but there is an important distinction:
Those studies were conducted in cells, not in people taking a daily spoonful of elderberry syrup.
They help researchers understand how elderberry compounds might work, but they do not prove that elderberry prevents heart disease, lowers blood pressure, or improves circulation in humans.
Broader clinical research on anthocyanins suggests they may have a role in vascular and endothelial health, but results differ depending on the food or extract used, the dose, the person’s existing health, and the length of the study.
So the honest answer is that the chemistry makes sense, and the early research is promising, but we still need more direct human research on elderberry itself.
Is Elderberry Good for Your Heart?
Here is what we can say confidently right now: American elderberries are a rich source of anthocyanins and other polyphenols. Those compounds are being studied for their relationship to oxidative stress, inflammation, blood-vessel function, cholesterol, and other factors connected with cardiovascular health.
Here is what we cannot honestly say: We cannot claim that elderberry has been proven to prevent heart disease, unclog arteries, correct high blood pressure, or replace medication.
One randomized clinical trial followed 52 healthy postmenopausal women who took an anthocyanin-rich elderberry extract or a placebo for 12 weeks. The elderberry extract was generally well tolerated, but it did not significantly change the cardiovascular risk markers the researchers measured.
That does not mean the anthocyanins in elderberry are worthless. It means one particular elderberry extract, taken by one particular group of people for 12 weeks, did not produce a measurable change in those markers.
Research on anthocyanin-rich berries more broadly has produced mixed but potentially useful results. Some studies have found modest improvements in certain cardiovascular markers, while others have not found consistent changes in blood pressure or blood lipids.
That is how nutrition research often works. It is rarely as clean as one berry in, one disease out.
My takeaway is simpler:
American elderberry can be one part of a diet that includes plenty of deeply colored plants. It is not the whole heart-health plan.
Why We Choose American Elderberry
This is where I get a little stubborn.
There are two elderberry species you will commonly see in products:
American elderberry, traditionally classified as Sambucus canadensis
European black elderberry, Sambucus nigra
Most elderberry syrups and supplements on grocery-store shelves are made from European elderberry. Some are imported, some are made from concentrate, and some do not clearly tell you where the berries were grown.
We grow American elderberries here in Minnesota because this is the plant we believe in.
The two species both contain cyanidin-based anthocyanins, but their chemical profiles are not identical. Research comparing American and European cultivars has found clear differences in the distribution of their individual anthocyanins and polyphenols.
One particularly important difference is that American elderberry contains acylated anthocyanins, while the European cultivars in one comparison study did not.
Those acylated pigments tend to be more stable during storage and processing.
Researchers concluded that American elderberry may be a strong choice for processed products because its acylated anthocyanins can provide greater color stability. They also noted that several American cultivars were especially high in anthocyanins and total phenolics.
That does not mean every American elderberry will always contain more anthocyanins than every European berry.
The amount can change with:
The cultivar
Growing conditions
Ripeness
The season
Harvest timing
Storage
Processing
But American elderberry does have its own distinctive chemistry, and some American cultivars perform especially well.
For us, there is another part that matters just as much: We grow the berries ourselves.
We know the rows they came from. We know when they were harvested. We know the difference between ripe fruit and a cluster that needed another few days.
That is why we plant American elderberry, and that is why we tell you the species right on the label.
Read the label.
“Elderberry” does not always mean the same thing.
Does Elderberry Support Healthy Circulation?
Healthy circulation depends on far more than one food.
Your blood vessels need to remain flexible enough to respond to changing demands. Your heart needs to pump efficiently. Blood pressure, blood sugar, cholesterol, inflammation, movement, sleep, stress, smoking, genetics, and plenty of other factors all play a part.
Anthocyanins are being studied partly because of how they may interact with oxidative stress and endothelial function, the mechanisms that help blood vessels respond and relax normally.
Reviews of clinical studies on anthocyanins have found evidence that these compounds may influence endothelial health through several pathways, including nitric-oxide availability and the body’s antioxidant defenses.
But the results across human studies remain inconsistent, and researchers are still working to determine which forms, doses, and foods are most useful.
So I would put it this way:
American elderberry contains plant compounds that may help support the processes involved in healthy circulation.
That is different from saying elderberry has been proven to improve poor circulation.
There is a line between sharing promising research and turning a berry into a prescription. We try to stay on the honest side of that line.
Why Consistency Matters More Than a One-Time Mega-Dose
There is no established clinical protocol showing that taking elderberry at the same time every day creates a protective reservoir in your blood vessels.
But there is still a practical reason to think in terms of routine rather than rescue.
Most of the benefits associated with a varied, plant-rich diet do not come from eating one enormous serving of berries once a month. They come from the habits you repeat.
A spoonful of elderberry syrup cannot cancel out smoking, chronic sleep loss, a sedentary lifestyle, or a diet built mostly on highly processed food.
But it can become one small part of a healthier pattern.
That is how we use it on the farm: regularly, in ordinary amounts, alongside the basics.
What Daily American Elderberry Use Can Look Like
There is no medically established daily dose of elderberry for heart health.
The right serving also depends heavily on the product. A syrup, freeze-dried berry, tea, gummy, juice, and concentrated extract are not interchangeable.
For our products, follow the serving directions on the label.
A practical routine might include:
A serving of American Elderberry Syrup with breakfast
Whole freeze-dried American elderberries added to a smoothie
Elderberries stirred into oatmeal or yogurt
A cup of elderberry tea
Elderberry used in baking or other recipes
Then stack that with the habits we already know matter:
Move every day. Get some sleep. Eat real food. Keep the excess sugar and salt reasonable. Do not smoke. Pay attention to your blood pressure. Work with your doctor when something is off.
Elderberry is not a substitute for any of it.
It is a layer on top.
Build the Habit
American Elderberry Syrup with Minnesota Honey
Our daily-driver syrup is made with American elderberries and raw Minnesota honey.
It is one of the easiest ways to make elderberry part of an existing morning routine. Pour the serving listed on the bottle, take it straight, or add it to food or a drink.
Whole Freeze-Dried American Elderberries
Our whole freeze-dried berries are grown from American elderberry plants and preserved after harvest.
Use them in:
Smoothies
Oatmeal
Yogurt
Tea
Baked goods
Homemade elderberry recipes
Why Freeze-Drying Matters
Fresh elderberries do not wait around for long.
Once they are ripe, we need to preserve them in a way that keeps as much of the berry intact as reasonably possible.
Freeze-drying removes water at low temperatures rather than relying on the prolonged heat used in conventional dehydration. This helps preserve the berry’s shape, intense color, and many of its naturally occurring plant compounds.
That does not mean every anthocyanin remains fully intact. Anthocyanins can still change during processing and storage.
But the distinctive acylated anthocyanins found in American elderberry are known for greater pigment stability, which is one reason this species is especially interesting for processed products.
Freeze-drying also gives you a whole berry rather than a juice concentrate or a syrup where the original fruit is harder to recognize.
You can see what you are using.
Pro-Tip from the Farm: Build Your Own Elderberry Tincture
We're working on a true alcohol-extracted elderberry tincture and it'll be on the shelf when it's ready, not before. Until then, plenty of folks ask how to make their own.
Here's the way we do it on the farm:
Take 1 cup of Whole Freeze-Dried American Elderberries and put them in a clean quart jar.
Cover with 2 cups of 80-proof vodka or brandy. Cap tight.
Set it in a dark cupboard. Shake once a day. Wait six weeks.
Strain through cheesecloth. Store in amber glass.
Standard daily use is a half-teaspoon under the tongue or stirred into water. Don't drink it like a shot, these berries are concentrated and the alcohol carries the compounds straight into your bloodstream fast.
The reason freeze-dried works so well for this: we never heat the berries. The anthocyanins stay fully intact, ready for the alcohol to pull them into solution. You get a darker, richer extract than you'd get from any cooked syrup.
How This Connects to the Rest of the Body
Heart and circulatory health do not sit in their own little box.
The same anthocyanins and polyphenols discussed here also appear in research involving several other systems.
Antioxidant Support
Oxidative stress is part of the reason researchers are interested in how anthocyanins interact with blood-vessel cells.
Read Benefit #3: Antioxidant Support for a closer look at what antioxidants actually do—and what they do not do.
A Healthy Inflammatory Response
Long-term, excessive inflammation can affect blood vessels and cardiovascular health.
Read Benefit #4: A Healthy Inflammatory Response to understand how elderberry compounds are being studied in that area.
Balanced Blood Sugar
Repeated high blood-sugar levels can place additional stress on the vascular system over time.
Read Benefit #8: Balanced Blood Sugar for a closer look at the early research connecting elderberry with glucose metabolism.
The same plant compounds keep showing up because the body works as a network.
That is not marketing.
That is biology.
The Bottom Line: Can American Elderberry Support Heart Health?
American elderberries contain anthocyanins and other polyphenols associated with antioxidant activity.
Laboratory studies suggest that elderberry compounds may help protect endothelial cells from oxidative stress and influence markers related to healthy blood-vessel function.
Broader human research on anthocyanin-rich foods suggests possible cardiovascular benefits, although results are mixed. What we do not have is strong evidence that taking elderberry syrup prevents heart disease, lowers blood pressure, or treats a circulatory condition.
So here is my plain answer:
American elderberry may support the processes involved in heart and circulatory health, especially as one anthocyanin-rich food within a larger healthy routine. It is not a cure, and it does not replace medical treatment.
Take care of the basics.
Eat deeply colored plants.
Move your body.
Know your numbers.
And know where your elderberries came from.
Straight from the rows.
Keep Going in the Series
Previous: Benefit #5 — Clear Sinuses and Easy Breathing
Next: Benefit #7 — Digestive Balance
Start here: 10 Benefits of Taking American Elderberry Daily
You can start anywhere. Each article stands on its own.
Read the full series and you will see that American elderberry is not interacting with one isolated system. The same plant compounds connect with processes throughout the body.
Sources and References
Lee, J., and Finn, C. E. “Anthocyanins and Other Polyphenolics in American Elderberry (Sambucus canadensis) and European Elderberry (Sambucus nigra) Cultivars.” Journal of the Science of Food and Agriculture, 2007. https://pubmed.ncbi.nlm.nih.gov/20836175/
Özgen, M., Scheerens, J. C., Reese, R. N., and Miller, R. A. “Total Phenolic, Anthocyanin Contents and Antioxidant Capacity of Selected Elderberry (Sambucus canadensis L.) Accessions.” Pharmacognosy Magazine, 2010. https://pmc.ncbi.nlm.nih.gov/articles/PMC2950382/
Youdim, K. A., Martin, A., and Joseph, J. A. “Incorporation of the Elderberry Anthocyanins by Endothelial Cells Increases Protection Against Oxidative Stress.” Free Radical Biology and Medicine, 2000. https://pubmed.ncbi.nlm.nih.gov/10962205/
Festa, J., et al. “Elderberry Extract Improves Molecular Markers of Endothelial Function.” Journal of Food Biochemistry, 2023.
Curtis, P. J., et al. “Cardiovascular Disease Risk Biomarkers and Liver and Kidney Function Are Not Altered in Postmenopausal Women After Ingesting an Elderberry Extract Rich in Anthocyanins for 12 Weeks.” Journal of Nutrition, 2009. https://pubmed.ncbi.nlm.nih.gov/19793846/
Laudani, S., et al. “Anthocyanin Effects on Vascular and Endothelial Health.” Antioxidants, 2023. https://pmc.ncbi.nlm.nih.gov/articles/PMC10525277/
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