razbery, I'm not familiar with glucommanum, but I do know that you can continue to clean out your colon WHILE taking parasite killing herbs--such as what HumaWorm and others sell.
In fact, it's probably actually SAFER to keep doing Colon Cleanses while parasite cleansing, because you are at the same time-- keeping the colon "unplugged" so that dead worms and toxins can quickly be eliminiated out into bowel movements and urine-- this preventing "Die-Off" symptoms (such as skin rashes, breakouts, nausea, dizzyness, colds, flues, etc.