Fresh Blueberries (Raw)
Fresh Fruits & Berries · 10 specs
Direct Answer
Per 100g, fresh raw blueberries provide 57 kcal, 14.5g carbohydrates (2.4g dietary fiber / 9.96g sugars), 0.74g protein, 0.33g fat, 9.7mg Vitamin C, 19.3µg Vitamin K1, and 487mg anthocyanin polyphenols with a Glycemic Index of 53.
Source: USDA FoodData Central (NDB# 09050) · Last reviewed Aug 28, 2026
Specs
| Energy / Calories | 57 kcal (238 kJ) kcal |
| Carbohydrates | 14.5 g (Net Carbs: 12.1 g) g |
| Dietary Fiber | 2.4 g g |
| Total Sugars | 9.96 g (4.97g fructose, 4.88g glucose) g |
| Protein | 0.74 g g |
| Total Fat | 0.33 g g |
| Potassium | 77 mg mg |
| Vitamin C | 9.7 mg (11% DV) mg |
| Glycemic Index (GI) | 53 (Low GI) |
| Water Content | 84.2 % % |
Anthocyanin Polyphenol Bioactivity
Blueberries contain up to 487 mg/100g total polyphenols, primarily malvidin, delphinidin, and petunidin 3-glucosides. These cross the blood-brain barrier to enhance neuroplasticity and hippocampal BDNF signaling.
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