Answer: The normal range for total PSA is 1 to 1.5, and any value below total PSA 4 ng/mL of blood is considered normal according to the American Cancer Society (ACS), therefore as low the PSA reading below 4.0 the healthier prostate gland and the lower the prostate cancer risk.
but lower than the lowest normal limit of reference range for total PSA (1.0) is uncommon and doesn't associated with any known disease and doesn't belong to any familiar medical condition at the moment of writing this explanation.
Recommendation: enjoy with your life your prostate is good, however if you feel pain in the anus or painful or bloody urination you must get examined carefully to make sure there're nothing bad.
