liver protection

planning for a test only cycle of 400 mg per week and using this as an occasional add on for 1-2 days a time max and then for a competition day. per ml the dosage is 2000mcg of metribolone, 75 mg of test and ment. I'll probably end up using around .5 ml at most at a time Being used in this way...

So i just started cycle Sustanon 250mg per week D bol 25 mg per day And I need to know how much nac I you guys think i should take to keep the d bol from wrecking my liver im looking at 1200mg per day 600mg in the morning and 600mg at night but Isk if thats enough of to much any advice?