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How Many Irn Bru Energy Can You Drink In A Day? (Explained)

To spoil the data for you, Irn Bru is a fantastic drink for adults. You can drink this beverage up to two cans a day.

With Taurine, Caffeine, and B Vitamins, Irn-Bru meets today’s busy lives with a mixture of unique and exciting taste experiences.

If you taste Irn Bru in-can or bottled version, you may want to know the components of this excellent beverage.

Let’s dive into this article’s main points.

Nutritional Facts Of Irn Bru Energy Drink

I’ll show you the following nutritional amount for every 100ml serving of Irn-Bru in this table.

100ml serving
Energy198kj/46 kcal
of which saturates0g
of which sugars11g
Nutritional Facts

Ingredients Of Irn Bru Energy Drink

Irn Bru Nutrition Facts and Ingredients
Irn Bru Nutrition Facts and Ingredients

Going straight to the facts, the ingredients of Irn-Bru Energy Drink are:

  • Carbonated Water
  • Sugar
  • Acid (Citric Acid)
  • Taurine (0.4%)
  • Acidity Regulator (Trisodium Citrate)
  • Flavourings (including Ammonium Ferric Citrate)
  • Caffeine (0.032%)
  • Vitamins (Niacin, B6, B12)
  • Preservative (Sodium Benzoate)
  • Colours (Sunset Yellow FCF, Ponceau 4R)

Caffeine Content Of Irn Bru Energy Drink

Caffeine is great for a morning energy boost, but it needs to be consumed in moderation

The caffeine amount of Irn-Bru Energy Drink per 100ml serving is 32mg.

Research says that adults consume 130mg of caffeine per day in the UK, and children consume 36mg of Caffeine per day.

According to the European Food Safety Authority (EFSA), a caffeine amount of 200mg to 400mg are safe.

However, let us not forget that caffeine is a mild diuretic that causes the body to lose water.

Caffeine, in moderation, has numerous advantages, including the following:

  • Arousing the senses
  • Helping to shed pounds
  • Enhancing athletic ability and cognitive function
  • Protecting the kidneys from calcification
  • Long-term memory enhancing

Irn-Bru Energy drink is a good choice if you want to keep your daily caffeine intake between 50mg and 150mg.

Having this amount of caffeine will give you a nice lift without making you feel jittery.

Sugar Content Of Irn Bru Energy Drink

Table sugar
The lesser the sugar, the better the health

Based on the table above, Irn-Bru has 11g of sugar, which is not that bad according to NHS.

When it comes to sugar levels, take note of the following:

  • Sugar intake for adults should not have more than 30g a day.
  • Children of 7-10 years old, should have a sugar consumption no more than 24g per day.
  • Children of 4-6 years old, shpuld have a sugar consumption of 19g per day.

For the guidelines, the younger the age, the lesser the sugar intake.

Watch this video and learn how much is too much sugar:

A video on sugar limitations

Calories In Irn Bru Energy Drink

As per 100ml of Irn Bru Energy Drink, the calorie amount of this beverage is 46 Kilocalories.

Doing the math here, a 330ml of Irn Bru Energy Drink has around 151.8 calories in total.

Understanding your calorie requirements is essential for managing your daily food and beverage choices.

Although 2,000 calories per day is a good starting point, your calorie requirements will vary depending on your age, gender, and level of physical activity.

Is Irn Bru Energy Drink Good For You?

Irn Bru Energy Drink
Irn Bru is a good choice.

Irn-Bru is the best choice for athletes, but it’s not the best choice for kids, those who have sleeping problems, or those who follow strict dietary rules.

Irn-Bru Energy will never be bad for you if you don’t consume too much of it.

Irn-Bru Energy contains ingredients beneficial to your body, such as taurine and B vitamins, and having these ingredients in an energy drink is a great idea. 

Taurine, also known as amino sulfonic acid, is naturally produced by the human body and is found in Irn-Bru.

Taurine protects the body from harmful substances while also improving performance.

Taurine has numerous other advantages, including:

  • Immune System Control
  • Lower Blood Pressure (lower to normal)
  • Mental Performance Enhancement

Irn-Bru also contains B vitamins, which are necessary for your body because they break down fatty acids to provide energy.

The caffeine in Irn-Bru is not harmful if you limit yourself to one can per day.

These advantages are only available if you consume Irn-Bru Energy in moderation. Otherwise, it may harm your health.

How Long Does Irn-Bru Energy Last?

Caffeine is the primary ingredient in Irn-Bru Energy.

The effects begin to take effect 10 minutes after consumption and last for up to 12 hours.

After consuming Irn-Bru Energy for 10 minutes, your heart rate and blood pressure will rise as caffeine enters the bloodstream.

There will be an increase in alertness and focus after 15-45 minutes when caffeine reaches its peak level in the bloodstream.

After about 5-6 hours, your body will have reduced the caffeine level in your bloodstream to 50% of its original level.

Half-life is another name for it. Your body will run out of caffeine after 12 hours, which is the maximum amount of time it can store caffeine.

How Many Cans Of Irn Bru Energy Should You Drink Per Day?

Irn Bru Can
Tasty Irn-Bru

Two cans of Irn-Bru is the perfect amount of energy drink you can have in a day.

There’s no need to have it too much, and one can of Irn Bru is also okay.

Because Irn-Bru energy contains caffeine, I wouldn’t recommend drinking more than two cans per day.

Consuming two cans in a day equals 240mg of caffeine, and it looks like a lot.

However, it’s still less than the EFSA’s daily caffeine intake recommendation.

Bear in mind that consuming two or more soda cans per day means consuming 71g of sugar, which is unhealthy and far exceeds the maximum recommended daily sugar intake.

You can drink more than one can, but I wouldn’t recommend drinking multiple cans of Irn-Bru per day. Because it can cause serious health problems.

What Are The Side Effects Of Irn Bru Energy Drink?

Drinking too much Irn-Bru Energy Drink may cause you to have side effects based on caffeine and sugar overconsumption alone.

Irn-Bru contains 120mg of caffeine, which isn’t much compared to drinks like Bang.

120mg of caffeine is enough to give you a boost of energy and get you through a long day.

It would be best if you consumed caffeine in moderation because excessive amounts can result in the following side effects:

  • Dehydration
  • Caffeine Addiction
  • Stomach Ache
  • Irritation or Mood Swings
  • Restlessness 
  • Chest Pain

Sugar, when taken too much, can lead to some health problems, including:

  • Acne
  • Cancer
  • Diabetes
  • Depression
  • Increased Risks of Heart Disease
  • Kidney Issues
  • Obesity
  • Tooth Decay

There is a sugar-free variant of Irn-Bru energy available, but if you must consume the sugary version, do so in moderation.

Keep track of the sugar in your food and avoid drinking too much sugar.

Does In Bru Actually Work?

Irn-Bru Energy can provide you with the boost and energy you need to get through your difficult task, thanks to its 120mg caffeine concentration.

It also boosts your energy during a long day.

It also contains Taurine that helps you improve mental efficiency, especially when mixed in Caffeine, making it ideal for busy days filled with strenuous activity.

B-Vitamins in Irn-Bru energy aid in converting nutrients into energy, which you’ll need to keep going throughout the chores.

However, if you have a horrible hangover, don’t entirely rely on Irn Bru or other energy drinks.

Studies show that energy drinks, given that it also contains caffeine, will dehydrate you more than how alcohol on beers and wines will dehydrate you.

What Are The Flavors Of Irn Bru Energy Drink?

Irn-Bru Energy drink comes in only one flavor. However, the energy drink comes in two varieties: regular and sugar-free.

To lose weight or reduce your sugar intake, you should opt for the sugar-free Irn-Bru Energy drink.

However, if you prefer the classic Irn-Bru Energy drink taste, the regular Irn-Bru Energy drink is an option.

Alternatives To Irn Bru Energy Drink

assorted energy drink brands
Great alternatives

If you don’t think Irn-Bru Energy is for you, there are plenty of other energy drinks to choose from:


I think it’s crucial that you drink only one can a day. The nutrition formula for this drink is enough for physical workouts, mental activities, and other active kinds of stuff.

Just be careful with the sugar and caffeine because you don’t want to overdose on them. Always check the nutritional facts of your energy drink before buying or before investing for more.

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