A medium-sized shrimp contains about 6 calories, and about 1 calorie comes from fat. The shrimp also contains 0.1 gram of fat, 1.22 grams of protein, 9 milligrams of cholesterol and 9 milligrams of sodium.
Eating shrimp is a good way to get a protein-packed meal without consuming a lot of calories. A serving of shrimp also contains 100 percent daily value of selenium, 75 percent of B-12 and 50 percent of phosphorous. While shrimp is high in cholesterol, it is the good kind of cholesterol and only people with already high levels must consult with a doctor before consuming it. People should also find out if they are allergic to shrimp before consuming it, because shellfish are a common allergen.