Contents
What it is
Aronia is the fruit of a shrub in the rose family — dark red-black berries about the size of a blueberry. It is native to eastern North America and is called chokeberry in English, after the way its astringency grips the throat. Raw, the tannins make it too puckering for most people, so it is usually dried, juiced, or turned into jam and powder. The colour is intense enough to stain hands and bowls.
Scientific name Aronia melanocarpa
Aronia, or black chokeberry, had its moment because of one number. Its anthocyanin content exceeds 1,400 mg per 100 g — more than four times blueberry's roughly 300 mg.
That same fact makes it hard to eat. The English name "chokeberry" refers to how astringent it is. The tannins behind that astringency are antioxidants, but they also interfere with iron absorption.
Key benefits
- Nutrition data
Among the most anthocyanin-dense fruits there is
The pigment behind its dark red-black colour is a potent antioxidant that appears frequently in research on endothelial function. Few fruits beat aronia per unit weight.
- Not established
The blood pressure result went the other way
A meta-analysis of randomised trials found aronia raised HDL cholesterol, but had no significant effect on systolic pressure and raised diastolic pressure by 2.55 mmHg. Individual small trials have reported reductions, so the findings conflict. There is no basis for recommending it for blood pressure.[1]
- Nutrition data
High in fibre for a fruit
5.3 g per 100 g, more than double blueberry's 2.4 g, at only 47 kcal.
- Early research
Inflammation research continues
Small studies report polyphenols lowering inflammatory markers. Most used extracts and had small samples, so generalising to eating the fresh fruit is difficult.[2]
How to eat it well
- Berries harvested after a frost are less astringent. Freezing and thawing also reduces tannins.
- Freezing and adding them to smoothies is the most practical approach; other fruits mask the astringency.
- Eating them with yoghurt or milk lets dairy protein bind the tannins, cutting the harshness.
- Commercial juices often carry a lot of added sugar — check the label.
- More than a handful a day can burden digestion, so keep it moderate.
How to read the grades
Each benefit carries a label showing how far research on people supports it. Grades differ between items even within the same ingredient.
- Nutrition data
- A fact verifiable from food composition databases or health authorities. This is a different kind of statement from a clinical effect.
- Strong evidence
- Consistently confirmed across randomised controlled trials or meta-analyses.
- Moderate evidence
- Human studies exist, but effect sizes are small or results are mixed.
- Early research
- Cell or animal work, or small preliminary studies.
- Not established
- Commonly claimed, but not confirmed in studies on people.
What to watch out for
- Tannins interfere with iron absorption. With iron-deficiency anaemia, leave time between aronia and meals.
- Large amounts can cause stomach discomfort and constipation because of the astringency.
- On blood pressure medication, watch that pressure does not drop too far.
- Commercial aronia powders and concentrates vary widely in strength — follow the stated serving.
- With a history of kidney stones, avoid large intakes.
Nutrition
Approximate values per 100 g edible portion.
- Calories
- 47 kcal2%
- Carbohydrates
- 9.6 g3%
- Fiber
- 5.3 g19%
- Protein
- 0.7 g1%
- Anthocyanins
- 1,480 mg
- Vitamin C
- 21 mg23%
- Potassium
- 218 mg5%
Percentages are of the US FDA Daily Value for adults and children 4 and over. National reference intakes differ by sex and age.
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Key nutrients
By health concern
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Sources
The databases and health authorities this article's nutrition figures and health statements draw on.
- 1The effect of Aronia consumption on lipid profile, blood pressure, and biomarkers of inflammation: A systematic review and meta-analysis of randomized controlled trialsMeta-analysisRahmani J, et al. Phytother Res 2019PMID 31237052
- 2The Effect of Black Chokeberry (Aronia melanocarpa) on Human Inflammation Biomarkers and Antioxidant Enzymes: A Systematic Review of Randomized Controlled TrialsSystematic reviewsSarıkaya B, et al. Nutr Rev 2025PMID 39499790
- 3MFDS Food Composition Database · 식품안전나라Food composition database
- 4USDA FoodData CentralFood composition database
- 5PubMedResearch literature
