Red Seedless Grapes (Raw)
Fresh Fruits & Berries · 10 specs
Direct Answer
Per 100g raw red grapes, you get 69 kcal, 18.1g carbohydrates (0.9g fiber / 15.5g sugars), 0.72g protein, 0.16g fat, 191mg potassium, 14.6µg Vitamin K1, and resveratrol stilbene polyphenols with a Glycemic Index of 59.
Source: USDA FoodData Central (NDB# 09132) · Last reviewed Aug 28, 2026
Specs
| Energy / Calories | 69 kcal (289 kJ) kcal |
| Carbohydrates | 18.1 g g |
| Dietary Fiber | 0.9 g g |
| Total Sugars | 15.5 g (8.13g fructose, 7.20g glucose / Equal 1:1 ratio) g |
| Protein | 0.72 g g |
| Total Fat | 0.16 g g |
| Potassium | 191 mg mg |
| Vitamin C | 3.2 mg mg |
| Glycemic Index (GI) | 59 (Moderate GI) |
| Water Content | 80.5 % % |
Resveratrol & Sirtuin Activation
Red grape skins contain trans-resveratrol (3,5,4'-trihydroxystilbene), an allosteric activator of the NAD+-dependent deacetylase SIRT1 enzyme, mimicking caloric restriction cellular survival pathways.
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