How Much Caffeine Is There In a Diet Coke?


Coke is one of the most famous drinks out there. You can pick regular coke or diet coke, based on your own preference and requirements. While regular coke is more famous, diet coke is also hugely in demand. In the U.S alone, there are over 28.75 million diet coke consumers.

While the generic name is diet coke, this low sugar coke is also called Coke Light and Coca-Cola light. There are many ingredients that make up diet coke such as aspartame, carbonated water, phosphoric acid, caramel coloring, potassium benzoate, sodium, citric acid and lastly caffeine.The presence of caffeine in diet coke has raised many eyebrows because a diet coke is said to have more caffeine than a regular Coca Cola drink. Let’s dig into this and find out how much caffeine a diet coke contains:

What Is Caffeine?

Caffeine is a natural stimulant that is extracted from around 60 different plants including different teas, cacao seed, tea leaf, kola nut, and coffee bean. Caffeine is commonly used in different products and there are many myths surrounding it as this ingredient has a lot of critics as well. However, it does not seem to have any side effects, if used in the right amount.. In fact, many benefits are associated with caffeine consumption that a lot of people are unaware of.

Caffeine is a methylxanthine substance that is responsible for triggering stimulation by blocking the adenosine receptor blockers in the brain. Adenosine tends to slow down the activities happening in the nervous system and it is caffeine that binds to these adenosine receptors and speeds up the processes. 

How Much Caffeine Is There In A Diet Coke?

The amount of caffeine found in a diet coke is 32% more than a regular drink. This means that there is 3.38 mgs of caffeine found in every 100 ml of a diet coke. All in all, 46 mg of caffeine is present in a 12 Oz (330ml) of diet coke while 32 mgs is present in a regular Coca Cola drink. 

Benefits Of Caffeine Present In Diet Coke

The caffeine found in a diet coke offers several benefits. They are:

Increases Mental Alertness:

The caffeine in diet coke is said to make people more alert. This is because caffeine soon gets absorbed in the bloodstream and enhances focus and concentration by eliminating mental fatigue and tiredness.

This is possible because diet coke has just the right dosage of caffeine. In case of taking higher doses of caffeine, the same result may not be achieved, instead it may work in an opposite manner. Hence, one should limit their diet coke intake to a can only (per day) because overconsumption may cause anxiety and tremors.

In addition to this, caffeine also improves the flow of oxygen in the body by clearing the pathways. This also helps make a person more alert and active,

Fights Fatigue:

Caffeine is said to ward off fatigue after you’ve been involved in a physically or mentally tiring activity. Many athletes prefer having diet coke or coffee due to this reason. It can help restore energy and push people to do more.

The most common reason for fatigue is sleeplessness. Therefore, it is essential to keep your diet coke consumption low so that less amount of caffeine enters your body.
This is because caffeine can impact your sleep cycle. When you are very active, your brain would not be ready to go in a state of sleep, and as a result you will be up for longer hours, eventually feeling fatigued.

Mobilization Of Fatty Acids:

Caffeine helps to mobilize fatty acids found in the body. Mobilization of fatty acids can serve as a fuel when a person is exercising. In other words, it can enhance energy levels in a person and help them while they are working out or performing a physical activity.

The Caffeine In Diet Coke - Is It Safe?

The time it takes for caffeine to get absorbed in the bloodstream is only 45 minutes and caffeine is only said to last for 4 to 6 hours in the body and then is excreted out. Now the question is, is it safe to drink? In the U.S, caffeine is marked as safe. However, there are a few factors to remember as an overdose of caffeine can cause problems. Since we are talking about diet coke here, it should be mentioned that the caffeine present in a diet coke is totally safe. However, this largely depends on your diet as well.

Amount to consume

Make sure you consume between 2000 to 2500 mgs of calories everyday so that no health issues can hit you when you are consuming diet coke every day. People who are used to drinking multiple cans of diet coke sure need to worry. This is because the more diet coke you consume, the more caffeine enters your body.

Experts say that consuming 250 to 300 mgs of caffeine per day can cause several health conditions such as insomnia, stress, anxiety and irregular heartbeat. So make sure to keep the consumption low and restrict yourself to one can per day on a max.
caffeine in diet coke
Also, make sure that you drink as much water as you can and don’t let your body go into dehydration. A fully hydrated body can enhance the level of energy provided by caffeine and can help you stay energetic for longer.

A diet coke has more amount of caffeine than a normal coke but less than that found in a cup of coffee. This means that the amount of caffeine present in a diet coke isn’t too much nor too less. However, still, make sure to keep the daily consumption to one can of diet coke per day so as to fill your need and to avoid addiction.


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