how much protein in sirloin steak
Protein in Top Sirloin. Eight ounces of broiled, top sirloin steak with the excess fat trimmed off contains about 69 grams of protein. The Institute of Medicine reports that protein RDAs, which are minimum protein requirements, are 56 grams for men, 46 grams for women and 71 grams of protein daily during pregnancy and lactation. Top sirloin steak is also an excellent source of iron, zinc and vitamin B-12.