Fruit
Blueberry
A sweet, antioxidant-rich berry, eaten fresh or frozen, traditionally linked to brain, eye, and heart health.
⤢📊 How it ranks (our editor score) — 90/100Tap to see the breakdown
🌱 What it is
Blueberries are small round berries that grow on shrubs and ripen to a deep blue-purple. They're eaten fresh, frozen, or dried, and are one of the richest fruit sources of antioxidant plant pigments.
📜 Where it comes from
Blueberries were a wild staple food for Native American peoples of North America, who ate them fresh and dried and used the plant in traditional remedies. Commercial cultivation began in the early 1900s in the United States, and the berry's reputation as a health food grew through the 20th century as its antioxidant content became better understood.
✨ Why it's good for you
- May help support healthy brain function and memory with age
- May help support eye health
- May help support heart and blood vessel health
- May help support healthy inflammation levels
🥗 Nutrition
Per 1 cup fresh (148 g) · about 84 calories
- Vitamin C: 14.4 mg
- Vitamin K: 28.6 mcg
- Fiber: 3.6 g
- Manganese: 0.5 mg
Source: USDA FoodData Central
🥄 How to use it
Eat a handful of fresh or frozen blueberries daily — on oatmeal, in a smoothie, or on their own.
How much: A handful of fresh or frozen berries daily.
Why it works: Researchers point to blueberries' anthocyanin antioxidants as supporting blood vessel health and possibly protecting brain cells from oxidative stress.
Show full details & how to prepare it
Blueberries are among the most antioxidantA helpful substance in colorful fruits and vegetables that protects your cells from everyday wear and tear. More →-rich everyday fruits, their deep blue color coming from compounds linked in studies to supporting memory, eye health, and the heart. They're as easy to enjoy as a handful on oatmeal or by themselves.
Ways to prepare it
🔬 Let's get technical
The scientific view, plainly reported. Hover a dotted word for its meaning.
What's in it
Blueberries owe their color to , a class of pigments including malvidin and delphinidin derivatives, present at particularly high concentration in the skin. The fruit also supplies , the stilbene compound , and moderate vitamin C, alongside dietary fiber.
Mechanism of action
and related act as antioxidants in laboratory assays, neutralizing and modestly influencing cell-signaling pathways involved in inflammation. Animal studies suggest some anthocyanin metabolites can cross the in small amounts, which has driven interest in effects on neuronal signaling and blood flow to the brain. Anthocyanins have also been studied for effects on -- the health of the blood vessel lining -- and on capillary integrity in the eye, echoing traditional associations with vision. Because anthocyanins are extensively metabolized by gut bacteria before absorption, the compounds that actually reach circulation differ substantially from those present in the raw fruit, complicating mechanistic interpretation.
Current pharmacological applications
Cohort studies associate higher berry and intake with modestly lower rates of cognitive decline and cardiovascular events, though these are observational associations rather than proof of cause and effect. Small randomized trials of concentrated blueberry extracts have measured short-term improvements in some cognitive test scores and vascular function markers, with effect sizes generally modest. Evidence for eye-health benefits beyond general antioxidant nutrition remains thin and largely traditional.
Every underlined word is collected on the technical glossary.
⚠️ Cautions
- A whole food, very safe and gentle.
- Choose unsweetened frozen berries.
- Very large amounts of concentrated extracts may mildly affect blood sugar or thinning — the fruit itself is gentle.
📚 Learn more
🌿 Deeper natural detail
💬 Ask Remy about Blueberry
📚 Resource confidence
Based on mentions in health references
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