We spoke to dietitians to get their input on which type of grape is healthier: green vs. red. Green grapes vs. red grapes: NutritionFrom a nutritional perspective, green grapes and red grapes are incredibly similar—there are other ways that they differ slightly (more on those below). Benefits and potential negatives of red grapesWhile green grapes deliver flavanols, red grapes contain resveratrol and anthocyanins, “which give them their deeper color and are often considered stronger antioxidants compared to those found in green grapes,” Garcia-Benson says. Green grapes vs. red grapes: Which is better for weight loss? “Neither green grapes nor red grapes are inherently better for weight loss, since they have nearly the same calorie and nutrient profile.