He said: "Obviously I'm against that, I'm down on that. I'm against treating women in a disrespectful way."
"I'm also I suppose, that whole pick-up thing - you know, that seemed appealing to me when I was a kid."
Brand went on: "But any system for chatting up women is in itself questionable. But any that's sort of based on objectifying or undermining women I would never, never, never, never, never endorse.
"So just to be clear, if you've got any questions about my attitude towards Julien Blanc or anyone that treats women or anybody disrespectfully, I'm 100 per cent, wholeheartedly against it."
Blanc had been scheduled to tour Australia and the UK but his visa was cancelled following protests over his "techniques", which suggest men harass and abuse women - including by choking them.
This week Blanc apologised for his actions on CNN, saying he was "extremely sorry" and his "intentions were never bad".
He told host Chris Cuomo: "I'd like to apologise to anyone I've offended in any way. It was never my intention and I just want to put it out there. I'm extremely sorry for everything that happened."