Are the Craft Series Yeasts Kosher? Nat August 03, 2020 11:37 Updated No, unfortunately, the finished product is not Kosher certified. It is also packed on the same line as other non-Kosher products as we handle porcine gelatine and dairy products. So far there’s not been enough demand for Kosher homebrewing products in order to justify our product to go through this certification. Related articles How do I choose which yeast to use? Craft Series Beer, Wine, Cider, Mead Yeast strain information What's unique about Kveik Yeast? What species of yeast do you use ? What size packs of yeast are available?