What's andrew's preferred brand of yerba mate?

Andrew Huberman initially mentioned enjoying the brand Anna Park for its flavor and the fact that it's organic. He specifically didn't like smoky flavors and found this brand to provide the right taste 1 2. However, he later stated a preference for Matina yerba mate, and he even mentioned becoming a partial owner in the company 3 4 5. Hence, his favored brands of yerba mate are Anna Park and Matina, with a more recent and involved preference for Matina.