how much protein is in seamen
1 In one typical ejaculation (approximately one teaspoon), semen contains 150 mg of protein, 11 mg of carbohydrates, 6 mg fat, 3 mg cholesterol, 7% US RDA potassium and 3% US RDA copper and zinc. 2  There are trace amounts of several vitamins in a regular, healthy, ejaculation-full of semen.