Nutrients are present in all the fruits but in different quantities. Hence, it is essential to be aware of the nutritional value of fruits before we add them to our health routine. White Grapefruit vs Physalis Nutrition will help you choose the best fruit among the two. Carbs in White Grapefruit and Physalis are 8.41 g and 13.30 g respectively. The protein content of White Grapefruit and Physalis is 0.69 g and 2.30 g. Protein to carb ratio of any fruit must be approximately 1.34. Protein to carb ratio of White Grapefruit is 0.08 and in Physalis, it is 0.17. Nutritional value of fruits is incomparable to other food items. They provide all the vital nutrients required for proper functioning of our body.