Calories in 4 Oz of Raw Ostrich Oyster

4 oz of raw ostrich oyster (113 g) has 142 calories. That is 7% of a 2,000 calorie diet.

The calories come from 24 g of protein, 4.2 g of fat and 0 g of carbohydrates, a split of 72% protein, 28% fat and 0% carbs. For comparison, 3 oz of raw ostrich oyster has 106 and 6 oz of raw ostrich oyster has 213 calories. Burning 142 calories takes about 25 minutes of brisk walking or 11 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.