How Much Protein Does Coffee Have?
How Much Protein Does Coffee Have? Nutrients per Serving One serving of black coffee contains: Calories: 2. Protein: 0 grams. Fat: 0 grams. Are coffee beans high in protein? 100g of roasted coffee beans contains 8000-1200 mg protein, 1,140-2910 mg potassium, 750-3100 mg magnesium, 49-2700 mg calcium, 19-4030 mg phosphorus, and 1-1470 mg sodium depending