Navesta Pharmaceuticals is a sterile manufacturer of Beta Lactam dry powder injectable products. Let’s break down what this means. Beta Lactam are a class of broad-spectrum antibiotics. Within the Beta Lactam class, there are different derivatives of antibiotics. Specifically, Navesta manufacturers the Penicillin category. Antibiotics can be manufactured in a variety of forms, pills, liquids, or injectables. Navesta manufactures dry powder forms of Penicillin. Dry powder injectable products are administered to patients by injecting the medicine directly into the patient’s blood.