CAT and type 2 diabetes mellitus: Early studies, such as those performed by Gargouri et al. [259,260] in T2DM rats induced with alloxan and fed with Spirulina (5%), reported a reduction in liver and kidney lipid peroxidation, accompanied by a significantly reduction in SOD, CAT, and GPx activities in these same tissues, as well as a significant reduction in fasting blood glucose and an increase of glycogen level.