Table 1. Histopathology scoring of liver tissue for rats supplemented with different doses of Nigella sativa supplementation for 28 days.

Doses (g/kg) of Nigella sativa	0.0	0.01	0.1	1
Score	0 1 2 3 4	0 1 2 3 4	0 1 2 3 4	0 1 2 3 4
Hepatic vacuolization	6 0 0 0 0	6 0 0 0 0	6 0 0 0 0	6 0 0 0 0
Hepatic degeneration	6 0 0 0 0	6 0 0 0 0	6 0 0 0 0	6 0 0 0 0
Hepatic inflammation	6 0 0 0 0	6 0 0 0 0	6 0 0 0 0	6 0 0 0 0
Necrosis	6 0 0 0 0	6 0 0 0 0	6 0 0 0 0	6 0 0 0 0
Fatty degeneration	0 0 0 0 0	0 5 1 0 0	0 5 1 0 0	0 2 4 0 0