Does Vaping Have Calories? The Truth About Weight Loss and Gain Vaping has become a popular alternative to smoking, but many people wonder about its impact on weight. A common question is: Does vaping have calories? To answer this and explore vaping’s connection to weight loss or gain, let’s dive into the science. Do Vapes Have Calories? Yes, technically, vape liquids contain calories, but the amount is minimal. Vape juice is primarily made up of propylene glycol (PG) and vegetable […]