He talks about supplements sometimes but I don't ever feel like he pushes them and usually says you can get them wherever but I suggest here. I don't agree with everything he says but it's clear he puts a ton of time and research into the episodes he does and I don't blame him for trying to make money. So many of his guest episodes contain invaluable knowledge and that's a fine trade off for me.
His podcast is sponsored by Athletic Greens. He has promoted their product in every single episode that I've listened to. That's a bit more than sometimes.