How much protein should a healthy individual consume?

According to the Food and Drug Administration, the recommended dietary allowance (RDA) for Men of 19-50 year of age is 0.8 g/kg/body weight/day total protein (approximately 56 g/day protein).  For Women of 19-50 years of age is 0.8 g/kg/body weight/day total protein (approximately 46 g/day protein).