Table 1 Blood serum testosterone concentrations and sperm quality and quantity parameters during the trial

3.47 ± 1.62^b,c,d

5.05 ± 2.34^a,c,d

1.35 ± 1.02^a,b,c

0.25 ± 0.17^a,b

8.00 ± 0.00^b,c,d

10.00 ± 0.0^a,c,d

8.65 ± 0.56^a,b,d

5.00 ± 2.04^a,b,c

55.74 ± 12.07

51.67 ± 14.24

56.94 ± 8.89^d

48.33 ± 15.72^c

190.19 ± 84.69^c,d

192.06 ± 56.65^c,d

156.11 ± 51.25^a,b,d

105.17 ± 34.75^a,b,c

19.65 ± 9.27^c

23.70 ± 8.77

27.67 ± 16.35^a

24.57 ± 10.37

35.41 ± 26.24^d

32.67 ± 24.28^d

42.17 ± 23.55^d

73.29 ± 26.01^a,b,c