The perfect pick-me-up when you need to perk up during a long day or when you just need a little boost so you can really bring it. With 30 mg of caffeine and just five calories per serving, these convenient On-The-Go tubes are as bright as they are delicious. Whether you're at your desk, in the field or on a run, these packets make mixing it up easy—just add to a bottle of water and shake. Sugar-free and gluten-free.