Are 310 Lemonade Vegan? Jazz June 27, 2018 19:16 Updated Follow Yes, our 310 Lemonade are Vegan. Related articles Does 310 Lemonade contain caffeine? Are 310 Lemonade gluten-free? What is NOT included in 310 Shake? 310 Lemonade is sugar-free, so why is there oligofructose and fructose included in the ingredients? Comments 0 comments Please sign in to leave a comment.