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There are 56 calories in a 1oz serving of homemade beef jerky. Calorie breakdown: 18% fat, 2% carbs, 80% protein.
Protein and Carbohydrates. Beef jerky contains 31.1 g of protein per serving, or 55.5 to 67.6 percent of the amount you need each day. The protein is complete, which means it provides all the essential amino acids your body requires to function at optimal levels. Each serving of beef jerky has 2.8 g of carbohydrates.