How many calories are in blueberries?

One cup of blueberries (148g) has 84 calories. Per 100g, blueberries are 57 calories, which is low-moderate for fruit. A 1/2 cup serving has just 42 calories, making them a great snack.

Are blueberries good for weight loss?

Blueberries are good for weight loss at 57 cal/100g with 2.4g fiber. The fiber and water content create satiety. Studies show blueberry consumption is linked to less abdominal fat. They satisfy sweet cravings naturally.

What nutrients are in blueberries?

Blueberries provide 9.7mg vitamin C (11% DV), 77mg potassium, and 0.3mg manganese (13% DV) per 100g. They're famous for anthocyanins - powerful antioxidants that give them their blue color.

Are blueberries keto-friendly?

Blueberries are among the most keto-friendly fruits with 12.1g net carbs per 100g (14.5g carbs - 2.4g fiber). A 1/2 cup has only 9g net carbs, fitting within most keto limits when eaten in moderation.

Are blueberries a superfood?

Blueberries are considered a superfood due to exceptionally high antioxidant content, particularly anthocyanins. Research links them to improved brain function, heart health, blood sugar regulation, and reduced inflammation.

Are blueberries high in sugar?

Blueberries have 10g sugar per 100g, which is moderate for fruit. A cup contains about 15g sugar. The high fiber content (2.4g/100g) and low glycemic index help minimize blood sugar spikes.

Can diabetics eat blueberries?

Yes, blueberries are excellent for diabetics. They have a low glycemic index and research shows they may improve insulin sensitivity. Anthocyanins may help regulate blood sugar. Stick to 1/2-1 cup portions.

Fresh vs frozen blueberries: which is better?

Frozen blueberries are just as nutritious - sometimes more so, since they're frozen at peak ripeness. Both have the same calories. Frozen are more affordable and available year-round. Fresh are better for texture.

Blueberries vs strawberries: which is healthier?

Both are healthy. Blueberries have more antioxidants and slightly more fiber (2.4g vs 2g/100g). Strawberries have more vitamin C (59mg vs 10mg/100g) and fewer calories (32 vs 57 cal/100g). Eat both for variety.

How much blueberries should I eat daily?

Studies show benefits from 1/2 to 1 cup daily (42-84 calories). This amount provides significant antioxidants for brain and heart health. There's no upper limit, but variety in fruit intake is recommended.

All Foods

Calories in Blueberry

USDA Verified · FDC 171711 · Jan 2026

84 calories

per 1 cup (148g)

0.7g

Protein

14.5g

Carbs

0.3g

Fat

2.4g

Fiber

Per 100g raw

Log Blueberry in one photo

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