u could take both together mand they actuallt work good too,btu he should definaetly add test to it 400 -500mg of enethate ,there are some cases of flu like symptoms with the eq but its un common,and its only light flu symptoms ,now i dont know what happen to your freind,maybe he jsut got sick it does lower your immune sytem.id give it another shot and make sure maybe he had some allergic reaction what kind of gear is he taken?and also he can get away with once a week bur split into two would be a little better ,id do it like this.
1-10 400 mg eq
1-10 4-500 mg test
7-12 50 mg winny eod.