Does American Elderberry Support Balanced Blood Sugar?
- Benjamin Machlitt
- 2 days ago
- 11 min read
Part 8 of our 11-part deep-dive into the 10 Benefits of Taking American Elderberry Daily.
American elderberry contains anthocyanins and other polyphenols being studied for their possible role in glucose metabolism. Early human research is promising, but elderberry has not been proven to treat high blood sugar, insulin resistance, prediabetes, or diabetes.
Pair it with the Ceylon cinnamon in our Elderberry Elixir, build it into a balanced routine, and think long game.
Steady wins.
Most of what wears people down isn’t one big event. It’s a hundred little spikes and crashes throughout the day.
Blood sugar can be part of that.
Out here on the farm, I notice it most around 3 p.m. Maybe lunch was heavier than it needed to be. Maybe I didn’t drink enough water. Maybe I grabbed something quick instead of something that would actually carry me through the afternoon.
Whatever the reason, the workday still has several hours left.
That is when steady energy earns its keep.
Not flashy. Not exciting. Just steady.
This post is about what researchers are learning about American elderberry and glucose metabolism, why the ingredients in our Elderberry Elixir make sense together, and what a steadier afternoon can look like on the farm.
What Does “Balanced Blood Sugar” Actually Mean?
When you eat carbohydrates, your body breaks many of them down into glucose. That glucose enters your bloodstream, and your pancreas releases insulin.
Insulin helps move glucose out of the bloodstream and into your cells, where it can be used for energy or stored for later.
That is the system working as designed.
Different meals produce different blood-sugar responses. A meal built around refined carbohydrates and added sugar will usually affect blood glucose differently than one containing fiber, protein, fat, and less heavily processed carbohydrates.
Stress, sleep, movement, hydration, medications, hormones, and your individual metabolism can also affect the way your body manages glucose.
Over time, the cells can become less responsive to insulin. This is known as insulin resistance, and it can contribute to prediabetes and type 2 diabetes.
Healthy blood-sugar management is not about eliminating every carbohydrate or making sure your glucose never rises after eating. Some rise is normal.
The goal is to give your body the support it needs to regulate glucose effectively over time.
What Does Elderberry Have to Do With Blood Sugar?
Elderberries contain several groups of naturally occurring plant compounds, including anthocyanins, flavonols, and other polyphenols.
Anthocyanins are the pigments responsible for the berry’s deep purple color. They are also found in blueberries, blackberries, cherries, black raspberries, and other red, blue, and purple plants.
Researchers have been studying anthocyanin-rich foods because of their possible effects on glucose metabolism, insulin response, inflammation, and the gut microbiome.
Research involving berries more broadly has produced mixed results. Some trials suggest certain berries may help reduce the glucose or insulin response after a meal, particularly among people with insulin resistance or metabolic syndrome. Other reviews have found that the overall effects of berry polyphenols on glucose markers are small, inconsistent, or not clinically significant.
That means we should not take research on blueberries, raspberries, or isolated anthocyanins and automatically claim that a spoonful of elderberry syrup will do the same thing.
But we now have some early human research involving elderberry itself.
What the Human Elderberry Research Found
In a small randomized crossover study published in 2024, 18 adults with overweight or obesity consumed either elderberry juice or a placebo beverage for one week.
During the elderberry phase, participants consumed 355 grams of elderberry juice each day. Researchers found a lower average blood-glucose response during a meal-tolerance test after the elderberry intervention. They also observed changes in the gut microbiome and signs of increased fat oxidation.
That is encouraging. It is also a very small, short study using a substantial daily amount of elderberry juice—not the same thing as a tablespoon of syrup.
The researchers described their findings as suggesting improved glucose tolerance, not proving that elderberry controls blood sugar or treats a metabolic condition. Larger and longer trials are still needed.
That is the honest place to land right now:
American elderberry contains compounds that may influence glucose metabolism, and the first direct human research gives us a reason to keep paying attention.
It does not give us permission to call elderberry a diabetes treatment.
How Elderberry Polyphenols May Work
Researchers are studying several ways elderberry compounds could interact with glucose metabolism.
Laboratory research has found that elderberry polyphenols and their metabolites can affect glucose uptake in human skeletal-muscle cells. Elderberry extracts have also shown the ability to inhibit certain digestive enzymes involved in breaking carbohydrates down into absorbable sugars.
Those findings help explain how elderberry could affect glucose handling, but they come from controlled laboratory experiments. They do not tell us what dose a person should take or guarantee the same result inside the human body.
Broader research on anthocyanin-rich berries suggests several possible mechanisms:
Slowing the digestion or absorption of some carbohydrates
Influencing glucose transport into cells
Supporting normal insulin signaling
Interacting with gut bacteria involved in metabolism
Helping regulate oxidative stress and inflammatory pathways
That is a lot of possible activity from one group of plant pigments.
But “possible mechanism” is not the same thing as “proven outcome.”
The plant chemistry gives researchers a strong reason to investigate elderberry. The clinical evidence still needs time to catch up.
What About Quercetin?
Elderberries also contain flavonols, including quercetin-related compounds.
Quercetin has been studied for several possible metabolic effects, including its interaction with enzymes involved in carbohydrate digestion and pathways connected with glucose uptake and insulin signaling.
Most of that evidence comes from laboratory studies, animal research, or concentrated quercetin supplements. We cannot assume that the amount naturally present in a serving of elderberry syrup will produce the same effects.
That does not make the quercetin unimportant. It means elderberry should be understood as a whole food containing a mixture of plant compounds—not as a standardized dose of isolated quercetin.
The compounds may work together in ways researchers are still sorting out.
Does the Fiber in Whole Elderberries Help?
Whole elderberries contain fiber. Syrup and juice generally contain much less, depending on how they are processed and strained.
Fiber can slow digestion and influence the blood-glucose response to a meal. But the effect depends on the type and amount of fiber, the quantity eaten, and everything else in the meal.
A teaspoon of freeze-dried elderberries does not contain enough fiber to cancel out a plate full of refined carbohydrates. It still contributes more of the whole berry than a filtered juice or extract, but we should keep the scale in perspective.
That is one reason I prefer talking about better eating patterns instead of miracle ingredients.
Choose more whole foods. Pair carbohydrates with protein, fat, or fiber when you can. Eat the actual fruit. Move after meals.
Small choices stack.
Why We Choose American Elderberry
This is where I get a little stubborn.
Most elderberry products on store shelves are made with European black elderberry, Sambucus nigra. We grow American elderberry, traditionally classified as Sambucus canadensis, right here in Minnesota.
American and European elderberries both contain anthocyanins and other polyphenols, but their chemical profiles are not identical.
American elderberry is known for containing acylated anthocyanins that were not detected in the European cultivars examined in one direct comparison. These compounds can offer greater pigment stability during processing and storage.
Different cultivars also contain different concentrations of anthocyanins, quercetin derivatives, and other polyphenols.
That is why I would not claim that every American elderberry contains 20 percent more of every active compound than every European berry. Growing conditions, cultivar, ripeness, harvest timing, storage, and processing all matter.
Here is what I can tell you:
We grow American elderberries because they belong here.
We know the rows they came from. We know when they were harvested. We know how they were handled. We are not buying an anonymous imported concentrate and building a farm story around it.
For us, knowing the berry matters just as much as knowing the species.
Read the label.
“Elderberry” can describe a lot of different products.
Why We Put Ceylon Cinnamon in the Elixir
Our Elderberry Elixir combines American elderberry with Ceylon cinnamon, ginger, and clove.
Cinnamon has been studied extensively for its possible effects on glucose regulation. Some clinical trials and systematic reviews have found improvements in fasting blood glucose or insulin resistance, particularly among people who already have prediabetes or type 2 diabetes.
The results are not completely consistent. Researchers have used different types of cinnamon, doses, extracts, study lengths, and groups of participants. Some reviews have also found no clear improvement in longer-term markers such as hemoglobin A1C.
Ceylon cinnamon is not identical to the cassia cinnamon used in many studies, so we need to be careful about treating all cinnamon research as interchangeable.
A newer clinical trial involving a standardized Ceylon cinnamon extract found a modest reduction in fasting blood glucose, with a stronger effect among participants with type 2 diabetes. But that trial studied a concentrated extract—not the culinary amount of cinnamon in a bottle of elderberry syrup.
We put Ceylon cinnamon in the Elixir because it makes sense as part of the recipe.
It adds warmth. It works well with elderberry. It has a long history of culinary use, and researchers continue to investigate its metabolic effects.
But the finished Elixir has not been clinically tested as a blood-sugar product.
That distinction matters.
Ginger, Clove, and the Whole Recipe
The Elixir also contains ginger and clove.
Both have long histories of use in food and traditional wellness practices. They bring warmth and depth to the syrup, and they pair naturally with American elderberry and cinnamon.
You will find research into the antioxidant, inflammatory, digestive, and metabolic properties of both spices. But once again, research on a concentrated extract is not the same as proof that the amount in one serving of syrup produces a specific medical effect.
I do not need every ingredient in the bottle to act like a drug.
Sometimes a good recipe is still a good recipe.
The Elixir gives you American elderberry in a form that is easy to use consistently, with spices that taste good and make sense together.
That is enough without turning the bottle into a prescription.
How I Use the Elixir
I usually take a serving with breakfast.
Not because I expect it to erase everything else I eat that day, but because morning habits are easier for me to keep.
That is the real secret to most daily wellness routines: put them somewhere you will remember them.
You can take the Elixir according to the serving directions on the bottle, enjoy it straight, or add it to a drink or food.
I would not recommend taking extra servings before a heavy meal for the purpose of controlling a blood-sugar spike. We do not have research showing that our syrup works that way.
On heavier eating days, the basics still do more of the work:
Eat a reasonable portion.
Include protein and fiber.
Slow down.
Drink water.
Take a walk afterward if you can.
The syrup is part of the routine, not permission to ignore the routine.
Build a Steadier Daily Routine
Elderberry Elixir Syrup
Our Elderberry Elixir starts with American elderberries grown here on the farm and combines them with Ceylon cinnamon, ginger, and clove.
It is a warm, spiced version of our daily elderberry syrup and an easy way to make American elderberry part of your morning routine.
The Smarter 3 P.M. Snack
The 3 p.m. crash is real, but it is not always caused by blood sugar alone.
It can also come from dehydration, poor sleep, stress, a heavy lunch, too little food, too much caffeine, or the simple fact that you have already put in a full day.
My first move is usually water.
Then I look for a snack that combines carbohydrates with some protein or fat instead of reaching for candy or another sweet coffee.
One simple option is:
A small serving of Elderfruit Snack Bites
A handful of nuts or seeds, or a piece of jerky
A glass of water
Our Elderfruit Snack Bites contain real freeze-dried fruit with no added sugar. The fruit still contains naturally occurring sugar, so I would not claim that the bites prevent a glucose spike or cannot affect blood sugar.
Pairing fruit with nuts, seeds, or another source of protein and fat can make the snack more filling and may produce a different glucose response than eating a larger serving of sweet food by itself.
Mostly, it keeps me from attacking the cookie jar and calling it a farm strategy.
Steady wins.
Elderfruit Snack Bites
Our Apple Banana Elderberry Snack Bites are made with three real freeze-dried fruits and no added sugar, oil, or filler.
Keep them in the lunchbox, desk drawer, vehicle, or farm jacket for the afternoons when you need something simple.
Can Elderberry Prevent Blood-Sugar Spikes?
We do not have enough evidence to say that taking elderberry syrup before a meal will prevent a blood-sugar spike.
The small 2024 human study found a lower glucose response after participants had consumed elderberry juice daily for one week. It did not test our syrup, and it did not establish an on-demand dose that people should take before eating.
That means I would not use elderberry to compensate for a meal you already know will send you sideways.
Build the meal differently when you can.
Include protein, fiber, fat, or less-refined carbohydrates. Eat a reasonable amount. Move your body afterward.
Then let elderberry be elderberry: a dark, polyphenol-rich fruit that may support the metabolic processes your body is already running.
A Note About Diabetes and Prediabetes
Elderberry is a food. It is not a treatment for diabetes or prediabetes, and it should never replace medication, glucose monitoring, nutrition therapy, or care from your medical team.
Talk with your healthcare provider before using elderberry or cinnamon products regularly if you:
Have diabetes or prediabetes
Take insulin
Take medication that lowers blood sugar
Experience unexplained blood-sugar swings
Are pregnant or breastfeeding
Have another medical condition affected by diet or supplements
Do not reduce or stop prescribed medication because you started taking elderberry.
Early research is interesting. Your actual glucose readings and medical care matter more.
How This Connects to the Rest of the Body
Blood-sugar regulation does not happen in isolation.
The same elderberry compounds discussed here appear in research involving several other systems.
Heart and Circulatory Health
Over time, poorly controlled blood glucose can affect the heart and blood vessels.
Read Benefit #6: Heart and Circulatory Health for a closer look at anthocyanins, oxidative stress, and blood-vessel function.
Gut and Microbiome Health
Gut bacteria interact with the foods we eat and produce metabolites that can influence glucose regulation, inflammation, and energy metabolism.
The 2024 elderberry juice trial found changes in participants’ gut microbiota alongside its glucose findings, although researchers are still working to understand exactly what those changes mean.
Read Benefit #7: Gut and Microbiome Health for more about that relationship.
Daily Vitality and Seasonal Resilience
Steady energy is built on steady systems.
Food, movement, sleep, hydration, stress, and glucose regulation all affect how you feel through a long workday.
Read Benefit #10: Daily Vitality and Seasonal Resilience to bring those pieces together.
The body works like a network.
Pull on one thread and you will usually find it connected to several others.
The Bottom Line: Does American Elderberry Support Healthy Blood Sugar?
American elderberry contains anthocyanins and other polyphenols being studied for their effects on glucose metabolism.
Laboratory research has identified several possible mechanisms, including effects on carbohydrate-digesting enzymes and glucose uptake. A small 2024 human trial also found a lower glucose response after one week of daily elderberry juice consumption.
That is promising.
It is not proof that elderberry syrup treats insulin resistance, controls diabetes, or prevents blood-sugar spikes.
So here is my plain answer:
American elderberry may support healthy glucose metabolism as one part of a balanced diet and daily routine. It will not do the job by itself.
Eat real food.
Pair your carbohydrates wisely.
Move your body.
Drink the water.
Pay attention to what your body is telling you.
And play the long game.
Steady wins.
Straight from the rows.
Keep Going in the Series
Start here: 10 Benefits of Taking American Elderberry Daily
Sources and References
Teets, C., et al. “A One-Week Elderberry Juice Intervention Augments the Fecal Microbiota and Suggests Improvement in Glucose Tolerance and Fat Oxidation in a Randomized Controlled Trial.” Nutrients, 2024. https://pubmed.ncbi.nlm.nih.gov/39458549/
Ho, G. T. T., et al. “Phenolic Elderberry Extracts, Anthocyanins, Procyanidins, and Metabolites Influence Glucose and Fatty Acid Uptake in Human Skeletal Muscle Cells.” Journal of Agricultural and Food Chemistry, 2017. https://pubmed.ncbi.nlm.nih.gov/28303711/
Rambaran, T. F., et al. “Effect of Berry Polyphenols on Glucose Metabolism: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.” Current Developments in Nutrition, 2020. https://pmc.ncbi.nlm.nih.gov/articles/PMC7326477/
Calvano, A., et al. “Dietary Berries, Insulin Resistance and Type 2 Diabetes: An Overview of Human Feeding Trials.” Food & Function, 2019. https://pubmed.ncbi.nlm.nih.gov/31591634/
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.
Allen, R. W., et al. “Cinnamon Use in Type 2 Diabetes: An Updated Systematic Review and Meta-Analysis.” Annals of Family Medicine, 2013. https://pubmed.ncbi.nlm.nih.gov/24019277/
Deyno, S., et al. “Efficacy and Safety of Cinnamon in Type 2 Diabetes Mellitus and Pre-Diabetes Patients: A Meta-Analysis and Meta-Regression.” Diabetes Research and Clinical Practice, 2019. https://pubmed.ncbi.nlm.nih.gov/31425768/
Muthukuda, D., et al. “Effects of Cinnamomum zeylanicum Extract on Glycemic and Lipid Profiles.” Frontiers in Nutrition, 2025.
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