Normal levels of creatinine in the blood are approximately 0.6 to 1.2 milligrams (mg) per deciliter (dL) in adult males and 0.5 to 1.1 milligrams per deciliter in adult females.lderly persons, on the other hand, may have less creatinine in their blood than the norm. Infants have normal levels of about 0.2 or more, depending on their muscle development.
Actor. Mark Ferris is an actor, known for Invasion of the Star Creatures (1962).ctor. Mark Ferris is an actor, known for Invasion of the Star Creatures (1962).
Ferriss is the author of three books, The 4-Hour Workweek, The 4-Hour Body, and The 4-Hour Chef; the first two were No. 1 New York Times bestsellers and the third was a No. 1 Wall Street Journal bestseller.