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Semen is a complex substance created by the male reproductive organs. The fluid is made mostly of water, plasma, and mucus (a lubricating substance). It also contains 5 to 25 calories, and is made up of small amounts of essential nutrients including: Calcium Citrate Fructose Glucose Lactic Acid Magnesium Potassium Protein Zinc If you perform oralContinue reading “How Many Nutrients Are in Semen?”