Where can I find Kidney tea in Fernwald?

Kidney tea can also be found in these cities:

Buseck Butzbach Giessen Hüttenberg Langgöns Lich Linden Lollar Mücke Pohlheim Rabenau Rockenberg Staufenberg Wettenberg Wetzlar

You can also find this in Fernwald:

Baguette Yeast Dry Rye Breads Granola Bar Pies Cola Legumes Ketchup Chips Remoulade