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Vape Juice Calories: Do They Affect Your Weight?
September 24, 2025 Vapes Direct

Vape Juice Calories: Do They Affect Your Weight?

Yes, vape juice contains a small number of calories, but not enough to cause weight gain. Most people consume far more calories from food and drink in a single meal than from vaping an entire bottle of e-liquid. Still, it’s worth understanding where these calories come from and whether they matter for your overall health.   

In this blog, we will know how vape juice calories work and whether they impact your weight. 

Do Vape Juices Contain Calories? 

Yes, but only trace amounts. Vape juice isn’t calorie-free, though the total is so low it’s considered negligible. 

Let’s break down what these calories are made of and how much you might actually consume. 

What Are Vape Juice Calories Made Of? 

Vape juice calories come mainly from vegetable glycerine (VG) and propylene glycol (PG), the two base ingredients that produce vapour. VG is slightly sweet and contains around 4 calories per gram, while PG holds roughly the same. However, because you inhale vapour rather than digest it, very little of this energy is actually absorbed by your body. 

How Many Calories Are in Vape Juice? 

On average, vape juice contains about 4–5 calories per ml. A 10 ml bottle would therefore contain around 40–50 calories total, roughly the same as one teaspoon of sugar. Since most of these aren’t consumed orally, their impact on your daily calorie intake is effectively zero — the calories are inhaled, not ingested, so your body doesn’t actually metabolise them. 

Can You Gain Weight from Vaping? 

No, you won’t gain weight from vape juice calories alone. Even frequent vapers would struggle to reach even a single calorie’s worth of absorbed energy per day.  

Now, let’s look at why some people still notice weight changes when they vape. 

Vaping and Weight Gain Explained 

Some people link vaping to weight changes, but this usually has more to do with nicotine and behavioural shifts after quitting smoking. When ex-smokers move to vaping, they may experience a slight appetite increase as the body adjusts to less nicotine. 

Does Nicotine Affect Appetite? 

Yes, nicotine is a known appetite suppressant. It temporarily reduces hunger and can slightly increase metabolism. When someone stops smoking or reduces nicotine, their appetite may return to normal, leading to minor weight gain, not from calories in vape juice, but from eating more. 

What Ingredients in Vape Juice Contain Calories? 

Only VG and PG contain calories. Nicotine and flavourings don’t contribute meaningful amounts. 

Here’s a breakdown of what’s in a typical e-liquid. 

Understanding Vaping E-Juice Ingredients 

A standard e-liquid includes: 

  • Vegetable Glycerine (VG): Adds smoothness and vapour — mild calorie content. 
  • Propylene Glycol (PG): Carries flavour and throat hit — trace calories. 
  • Flavourings: Add taste but no measurable calories. 
  • Nicotine: Zero calories, but affects metabolism. 

        Are Certain Flavours Higher in Calories? 

        No, not in any significant way. Dessert-inspired e-liquids such as custard or candy flavours may taste sweet, but they don’t contain sugar or extra calories. The sweetness comes from flavour compounds, not real carbohydrates. 

        Is Vaping a Safe Alternative for Weight Management? 

        Not exactly. While vaping isn’t linked to weight gain, it should not be used as a weight-loss tool. Nicotine may temporarily curb appetite, but relying on it to control weight isn’t healthy. A balanced diet, proper hydration, and regular exercise are far more effective for maintaining a healthy weight. Vaping should be used solely as a smoking alternative, not as part of a diet plan. 

        Best Low-Calorie Vape Juices to Try 

        All e-liquids are technically low-calorie, so you can choose based on flavour and nicotine preference. Here are some popular picks from Vapes Direct: 

                All these e-liquids are MHRA-compliant, ensuring both quality and safety. 

                Should You Worry About Vape Juice Calories? 

                No, the calories in vape juice are far too low to affect your weight. Any changes you experience are more likely due to nicotine’s effect on appetite or lifestyle adjustments after quitting smoking. So, keep enjoying your favourite flavours without the guilt. 

                Upgrade Your Vaping Experience Today with Vapes Direct 

                Don’t settle for ordinary — choose from the finest e-liquids and nic salts at Vapes Direct. MHRA-approved, expertly crafted, and delivered straight to your door. Shop now and enjoy smooth, flavourful vaping safely and effortlessly! 

                FAQs  

                Q1. Does vaping have calories in the UK? 

                Yes, vape juice does contain tiny amounts of calories, mostly from its base ingredients, vegetable glycerine (VG) and propylene glycol (PG). However, since these are inhaled and not eaten, they don’t affect your calorie intake or cause weight gain. 

                Q2. Can vaping make me gain weight? 

                No, vaping itself doesn’t cause weight gain. Any changes in weight after switching from smoking to vaping are usually linked to changes in appetite when you reduce nicotine, not from calories in e-liquid. 

                Q3. How many calories are in 10 ml of vape juice? 

                Roughly 40–50 calories in total, about the same as one teaspoon of sugar. But remember, you don’t digest vape juice, so the actual absorbed calories are nearly zero. 

                Q4. Is nicotine an appetite suppressant? 

                Yes. Nicotine can temporarily reduce hunger and slightly boost metabolism, which is why some people notice a small weight change when quitting smoking or reducing nicotine strength. 

                Q5. Are dessert or sweet vape flavours higher in calories? 

                No, dessert flavours like custard or candy taste sweet but don’t contain sugar or added calories. The sweetness comes from flavouring compounds, not real carbohydrates or fats. 

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