Green tea has become the subject of interest because of its beneficial effects on human health. Green tea (GT) contains catechins which reduces radicals and thereby protects from cardiovascular diseases. Diabetes mellitus and cardiovascular problems are most severe problems which are encountered most frequently in our country. Aim of the study was to study Blood pressure, Cholesterol and Triglycerides levels changes in short term green tea Consumption persons in south Indian population. The Present study was carried out in the Department of Biochemistry, Sri Lakshmi Narayana Institute of Medical Sciences, Puducherry. The analysis of plasma LDL, Cholesterol, triglycerides were evaluated by enzymatic methods, Blood pressure were calculated by using BP operator. The results indicated that green tea beverages and green tea extract supplementation significantly reduced TC and LDL-cholesterol concentrations and blood pressure. Green tea intake results in significant reductions in blood pressure, total cholesterol, and LDL cholesterol. The effect size on systolic blood pressure is small, but the effects on total and LDL cholesterol appear moderate. Longer-term independent clinical trials evaluating the effects of green tea are warranted.