Background: Conflicting reports on the mechanism of action of ascorbic acid level in male reproductive system exist and very little is known about the ascorbic acid status in Nigerian males with weak fertility.

Method: Ascorbate that accumulates preferentially in the testis, the lipid and lipoprotein levels were determined in the plasma of Nigerian males. Twenty-seven (27) male with inadequate spermatogenesis (36 ±1.0) years, with mean value of 15.6 ± 6.90 million/cm^³ sperm count and fourteen (14) controls (34 ± 0.6) years, with mean value of 108.0 ± 25.42 million/cm^³