Are all grape juice kosher or just those with a hashgacha? Post navigation Jolly Ranchers Gummies Original Flavorrach7
Could you provide more detail? Iirc, this was something you were researching. I would be interested to know what you found!
R A 
Esther Kruman 
Menashe Borbely
Could you provide more detail? Iirc, this was something you were researching. I would be interested to know what you found!
I was researching wines. Grape juice is cooked, and therefore never an issue.
All grape juice in the United States, Canada, and Europe are fine.