I was curious if they need to use any animal products in their process so I checked out their website and they're claiming that the cell culture media they use for food production is animal component free. "FBS is used in small amounts to sustain cell viability and growth during our cell line and development stage. This stage occurs well before commercial food production begins. Our company goal is to completely eliminate the use of animal components in our cell feed, and we continue to make progress on this front." I would be interested to read more about the details of their cell culture technology but they don't seem to have published any papers describing it.