To evaluate the effects of an oral calcium supplement,Uon 'on blood pressure IBPI and metabolic profile of normotensive pos~lllenopmjc VOllen, ve administered 1.2 gr/dally of oral calcjlJ]l ICa +) during 3 months to 18 lmean age: 53t5.4 years old) normotensive, nondiabetic, non-smoker, postmenopausic women withoui hormonal replacement therapy. Their mean Bill vas 29.53 1S kg/lim and the mean casual BP 128.814 I 82.911.6 mmllg. After their anamnesis and physical examination, we measured casual BP, HR, EMI and performed a 24-hour ASP Monitoring at entry and after the 3rd month of treatment. At the same periods ve also determined fasten levels of: glucose, t-cholesterol, triglycerides, lipo and apoproteins, uric acid, ca2+I phosf,horus 1 aHaline ph., fibrinogen and Hb. Hicroalbuminuria, Ca t, Ha+ and I+ vere determined in .4 hour urine samples. Results: BIO lieu 24b BP SD (8.g) BP Load!') sm DIm SBP DBP SIS' DIm Before ca2+ 29.m 118.3 75.; 12.m lO.H1.7 7.5 9.94 (tl