Zac Efron After Attack in Downtown L.A. -- No Worse For Wear

Zac Efron was out and about Friday ... 5 days after his bizarre downtown L.A. fight that left him bloodied.

Zac was leaving a grocery store parking lot in the Los Feliz part of L.A. -- looking good. He was smoking a vaporizer and sitting shotgun as a buddy drove.

TMZ broke the story ... Zac and a man who claims to be his "bodyguard" allegedly ran out of gas on a freeway in downtown L.A. at around 12:30 AM Sunday. The "bodyguard" -- a convicted drug dealer -- says they were attacked by transients.

Cops tell us when they arrived on scene, Zac was bloodied.