Prebiotics + probiotics. Love at first sip. Organic pioneers since 1999. You can have your juice & drink it, too. You asked, we listened. Introducing Matt50! Every serving is just 50 calories and is boosted with 100% vitamin C, prebiotics and probiotics to support immune and digestive health. Uncle Matt's Matt50 is everything your body craves, minus the guilt. Cheers! 1 billion prebiotics (at time of manufacture). Glyphosate residue free. Growing a healthy generation. Please recycle.