Are 310 Juice gluten-free? Anah June 29, 2018 20:35 Updated Follow No, our 310 Juice are not gluten-free. It contains barley malt, wheat grass Related articles Is 310 Collagen gluten-free? How much sugar and calories are in 310 Juice? Are 310 Tea gluten-free? Is 310 MCT oil Vegan? Are 310 Shakes Vegan? Comments 0 comments Please sign in to leave a comment.