Regular exercise is largely done to have maintained body shape and fitness. It exerts influence on almost all physiological and psychological parameters. One of these is dilutional anemia or sports anemia that is the initial adaptation of body to exercise. The aim of present study was to evaluate the extent of dilutional anemia in healthy males who have been exercising for past three years at least. Sports anemia is basically not a disease, but a physiological adaptation of body in reaction to exercise to better supply Oxygen to muscles and decreasing load on heart in years of his work out. But use of protein supplements now a days, have balanced the level of red blood cell with plasma, increasing the chances of cardiovascular diseases. This book is an interesting piece of work for individuals who exercise regularly along with intake of iron or protein supplements to increase their muscle bulk.