Detailed information about organization Information about alert on kosher products 2023-01-09 Source of information Information from OU Kosher , USA Website https://oukosher.org/kosher-alerts/ou-kosher-advisory-viscofan/ Notes Due to supply chain issues, Viscofan products made in the US are not currently certified for Passover, as they may contain kitniyos. This is not a retail/consumer item.