Veganuary asks people to ditch meat and go plant-based in January.
"Can I come to your work and do this to you?"
But don't put down the broccoli yet - there are caveats to the groundbreaking research.
Vegetables don't have to be boring, especially in the warmer months.
Project host Kanoa Llyod disagreed, asking what else vegans can do to spread their message.
One afternoon, 75 vegan pies and a brand-new vegan. What could go wrong?
"It's a tricky diet, I'll be honest."
"I'm putting an end to Duncan's diet."
The AM Show host Garner said in July he'd go vegan if Labour polled high enough to govern alone.