There are plenty of vape juice to choose out there but one of the big benefits about Poo Juice the Vape juice is the Max VG and Max vape juice flavor. Poo Juice uses USP grade Kosher certified Vegetable Glycerin. Poo Juice vape juice adheres to The US Food and Drug Administration (FDA) has issued a warning concerning glycerin produced from the Jatropha plant. we use palm fruit as a source for our VG. Note that VG from Jatropha plant contains toxins that come from the plant naturally.