ABSTRACT:Aim of the present study to assess the effect of inclusion of walnut in the diet of male patients of Stage I essential hypertension without secondary complication, on lipid profile, blood pressure and anthropometry. 27 patient of stage I essential hypertensive where given 4 weeks of control diet which includes uniform local diet. Later on for six weeks the control diet is changed to include walnut which represents 33% of energy supplied from fat and other fat sources were reduced to accommodate walnut in the study diet. This resulted in the favorable change in the lipid profile due to walnut diet like statistically significant decrease in the total cholesterol, triglycerides, LDL-cholesterol and HDL/LDL ratio (P value <0.001) and significant increase in HDL-cholesterol;, statistically significant reduction in the systolic and diastolic blood pressure (P value < 0.001) as compared to control diet.