Dietary Management of Genital herpes: Broccoli? Preliminary lab studies of monkey and human cells found that indole-3-carbinol (I3C), a compound found naturally in broccoli and other cruciferous vegetables such as cabbage and Brussels sprouts may interfere with herpes reproduction. This compound affected either herpes virus 1 or 2 replication by almost a 100% in lab tests. So you could try to eat more broccoli for a while and see if you experience any improvement even though we don’t have any information on dosage and efficacy. You could also try indole-3 carbinol supplements. I ...   read more