DripDrop is GMO-free, vegan, gluten-free, salicylate-free, soy-free, dairy-free, and contains no preservatives, colors, or artificial flavors. Is DripDrop Zero only for people on a low-carb or ketogenic diet? Is DripDrop Zero Keto compatible? This product may or may not be vegan, as it contains 3 ingredients that could come from animals depending on the source. We recommend contacting the manufacturer directly to confirm this.