High Protein, No Preservatives, No Nitrates. Ultra Premium Beef Jerky. U.S. Inspected and Passed by Department of Agriculture. Grab a Jerk and Go! Perky Jerky is a nutritious, high protein snack for active lifestyles. No preservatives, no nitrates, and no MSG added. A portion of our earnings will be devoted to Muscular Dystrophy and Down Syndrome research. If you are holding this, you are one of the lucky ones!