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The article presents a study concerning the effect of zinc content in the activity of superoxide dismutase, systolic blood pressure (SBP), and lipids in male hypertensive rats. It notes that hypertension is associated with greater lipoperoxidation which suggests that oxidative stress is important in the pathogenesis of the disease. Zinc is noted as a critical component of biomembranes and is essential for proper membrane structure. It can perform some possible antioxidants actions such as stabilization of membrane structure and maintenance of tissue concentrations of metallothionein. The study suggests that Zinc concentration in the diet plays an important role in the regulation of SBP and can be used for maintenance of anti-oxidative events in spontaneously hypertensive rats.