mma traing my cardio sucks

[pitbulls3489]

Hi friends im from tx im mma training with the champ h train munoz and this fool is killing me.to make a long story short my cardio sucks i thought and did some research and came up with this stack i just started takeing xtend for recovery and lactic acid bufferying.Ialso started takeing 02 performance gold bye advocare to let oxygen get to my fat tissues to increace my stamina what do yall think of this and do yall have suggestions