Does Iced Tea Have Caffeine? The Cold Truth

By Marcus Deeprose

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Iced tea is a popular beverage that’s enjoyed by many people worldwide. This type of tea drink is mainly consumed during the searing heat of summer. Typically, iced tea is made by stepping black tea with ice. While you grab a bottle of iced tea at your favorite tea shop/home, you might have thought, ‘Does iced tea have caffeine?’ 

Understanding the caffeine content in iced tea is crucial for those who wish to eliminate caffeine consumption. This can also help you make an informed choice while picking up your beverage preferences.

This article will discuss what goes into making the classic bitter-yet-sweet taste iced tea. By the end, you will clearly understand whether iced tea provides a caffeine boost or a caffeine-free alternative. 

Does Sweet Tea have Caffeine in it?

Yes, sweet tea has caffeine content in it. Black tea leaves are mixed with sugar or sweetener to make sweet tea. On average, there’s 2.56 mg of caffeine content. This is equivalent to 20 mg per 8 ounces & 41 mg per 16 fluids ounces. 

Sweet tea will have 25-50 mg of Caffeine, but this value might vary. Factors that determine the caffeine content in sweet tea include –

  • type of tea used
  • quality of tea used
  • steeping time 
  • brewing method

Before consuming sweet tea, it is essential to check the specific brand and preparation method for accurate caffeine content.

How much Caffeine is in Iced Tea?

The amount of Caffeine present in iced tea is around 47 mg. This is a caffeinated beverage that people love and are addicted to. How you brew iced tea determines the average caffeine content in it. 

Sometimes, iced tea may have caffeine levels ranging from 10 to 75 mg. The precise amount of Caffeine depends on several external factors. For example, the quality of tea leaves used, the time taken to steep tea leaves, and the temperature at which the tea is brewed. 

Note that the various types of tea, i.e., black tea & green tea, all have natural caffeine content. Iced tea also contains Caffeine. Herbal teas are generally caffeine-free; hence, herbal teas are a suitable option to consider if you seek a caffeine-free alternative.

How much Caffeine is in Iced Tea?
How much Caffeine is in Iced Tea?

How much Caffeine is in a Glass of Iced Tea?

A glass of iced tea has 47 mg of Caffeine. The main base used in this beverage is black tea. Camellia Sinensis, present in iced tea, is one of the highest caffeine-content teas. The caffeine content might increase if the iced tea is made with a stronger brew or a larger serving size.

A 20 oz glass of iced tea has caffeine content between 70-140 mg. When we compare a 20 oz glass of iced tea with a typical 8 oz cup of coffee, the latter has 95 mg of Caffeine.

What are the Varieties of Iced Tea?

Several varieties of iced tea offer different flavors and options to suit various tastes and preferences. Here are some popular varieties of iced tea:

  • Peach Iced Tea

Freshly brewed tea, combined with sugar, peach nectar, and lime juice, forms Peach Iced Tea. This is one of the most preferred sweet summer afternoon drinks. Enjoy the vibrant tart flavor while sipping this beverage. 

  • Mint Tea

Mint tea is made from peppermint leaves and compliments casual back-porch dinner parties. This variety of tea tastes best when served chilled. If you love sweet iced tea, consider adding sugar in the right punch to the Mint tea. 

  • Classic Sweet Tea

Classic sweet tea is a beloved beverage with a refreshing flavor. In goes the black tea bags, water, and sugar. This iced tea is the best choice during hot summer days. The intense flavor of the tea is bitter, rather sweet! 

  • Lemon Verbena Iced Tea

Lemon Verbena Tea is a hot or iced tea with verbena leaves and sweet tea. You will get a fresh and vibrant lemon flavor in this beverage. Some of the benefits of the drink include stress management & better digestion. Enjoy the tea post-dinner. 

  • Marian’s Iced Tea

Marian’s Iced tea is a nostalgic and refreshing summer drink. The ingredients added to the beverage include mint julep, mint, and bourbon. You can also add fresh lemon, lime, and sweetened tea to make the drink summer-ready drink.

  • Blackberry Iced Tea

Tea lovers will love gulping this sweet, plum-hued beverage topped with fresh/frozen blackberries. Ingredients in the iced tea include crushed sugared blackberries, mint, tea bags, and baking soda.

Does McDonald’s Iced Tea have Caffeine?

Yes, McDonald’s Iced Tea has 100 mg of Caffeine in every 30-ounce cup. If you consume 16-ounce McDonald’s sweet iced tea, you consume 51.2 mg of Caffeine. A 21-ounce glass of this beverage has about 67.2 mg of Caffeine

The presence of Caffeine in the drink is due to the natural brewing of the tea leaves. Since the number of tea leaves in McDonald’s Iced Tea isn’t measured, the amount of Caffeine can differ slightly.

It’s important to note that McDonald’s Iced Tea’s caffeine content is less than regular black tea. Black tea will have 45 mg per 8-ounce cup, whereas a McDonald’s Iced Tea has 3 mg per ounce. 

Does McDonald's Iced Tea have Caffeine?
Does McDonald’s Iced Tea have Caffeine?

Does Dunkin Iced Tea have Caffeine?

Yes, Dunkin Iced tea have caffeine in it. When you take a small Dunkin Original Iced Tea, you consume 81 milligrams of Caffeine

A medium Dunkin Original Iced Tea compares approximately 122 milligrams of Caffeine. A large cup will contain 180 milligrams.

It is important to note that the caffeine content in Dunkin chai varies depending on the type of tea and its size. Both sweetened and unsweetened Dunkin iced tea have similar caffeine content, so you can intake any of the two based on your needs and preferences.

Beverage selection is essential for those who are conscious of their caffeine intake. Now that you know the answer to does iced tea have Caffeine, also know the Dunkin Iced Tea caffeine content. 

Does Raspberry Iced Tea have Caffeine?

Raspberry Iced Tea is pretty in ambiance and flavor. It’s scrumptious, light, and bursting with tart raspberry flavor. This beverage is made with black tea and contains 8 mg Caffeine.

The sweet and bursting fruit flavor makes Raspberry Iced Tea yummy. It’s because of the black tea content that the Caffeine tastes strong. However, drink without a black tea bag if you prefer caffeine-free beverages. 

How much Caffeine is in Iced Tea vs. Coffee?

The choice between iced tea and iced coffee is quite tricky. Do you want to choose between an iced tea and a coffee? Both of these drinks are refreshing, tasty, and have health benefits. Just remember that iced tea’s caffeine content differs from iced coffee’s. 

Consider picking up Iced Tea if you prefer lower caffeine consumption. A standard 8 0z. cup of iced tea carries about 25-47 mg of Caffeine. A home-brewed cup of coffee of the same size contains more Caffeine. Iced coffee will have a caffeine value that ranges from 80 to 140 mg. 

Due to the brewing process that makes iced tea, this beverage’s Caffeine is less than coffee. Generally, the brewing process for iced tea is typically shorter than for coffee. Henceforth, a lower caffeine extract is extracted from the leaves or beans.

The caffeine content depends on the bean and the brewing procedure. Those who are health conscious and prefer a lower caffeine intake can drink iced tea. So, this is the best drink with the least caffeinated option available. 

How can one Reduce the Caffeine content in Homemade Iced Tea?

The procedure to reduce the levels of Caffeine when making your iced tea is as mentioned below. 

  • Add Cold Water

You can use cold water with a temperature of 25 degrees Celsius. Using cold water will instantly lower caffeine absorption into the water during steeping. 

  • Add Fewer Tea Leaves

Try cutting off the number of leaves or the number of teabags to iced tea brew. This process will reduce the caffeine levels & hence a weaker tea solution.

  • Put in Decaf Black Tea

For making your iced tea, use decaf black tea. Try increasing the temperature while brewing the tea to keep the taste intact while reducing the caffeine content. 

  • Switch to Herbal

Making your iced tea herbal is another method to reduce the Caffeine in homemade beverages. Traditionally, iced tea is made with black tea, but when you switch to herbal teas, it’s caffeine-free


In conclusion, iced tea does have caffeine content. You must have learned a lot about the beverage! The question, does iced tea have Caffeine, is answered best & to-the-pint in the blog post. 

You can now eliminate your caffeine consumption, if necessary. Or, you can even enjoy your favorite iced tea while being aware of its caffeine content. 

Ultimately, it’s essential to check the specific brand & read the entire brewing method of the iced tea you’re consuming. This will only help you with correct information about its caffeine content. 

Frequently Asked Questions (FAQs)

Q1. What has more Caffeine, coffee, or iced tea?

Ans – Coffee generally has more Caffeine than iced tea. Drinking an 8-ounce cup of iced tea averages 25-47 mg of Caffeine. On the other hand, a brewed cup of coffee of the same size contains more Caffeine, ranging from 80 to 140 mg.

Q2. What has more Caffeine, coffee or green tea?

Ans – The volume of Caffeine in green tea is less than in coffee. 8 oz. cup of coffee contains 80 to 100 mg of Caffeine. The same portion of green tea has 30 to 50 mg of Caffeine. 

Q3. Is tea caffeine stronger than coffee?

Ans – In general, tea caffeine is less strong when compared to coffee. 

Q4. Can you drink too much-iced tea?

Ans – While iced tea can be a refreshing and enjoyable beverage, drinking too much can lead to dehydration or even a man’s kidney failure. 

Q5. Does iced tea keep you awake?

Ans – Caffeine is a stimulant that can increase alertness. So, drinking lots of iced tea can temporarily ward off drowsiness & keep you awake. 

Q6. How much Caffeine is in iced black tea?

Ans – Iced black tea is a traditional and authentic beverage. It comprises 47 mg of Caffeine. So, it is important to be mindful of your caffeine intake and consider your tolerance and sensitivity before taking the drink.

Also Read:

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How many calories does a Vietnamese iced coffee have?

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Does the Starbucks Refresher have Caffeine?

Does Jarritos have Caffeine?

Marcus Deeprose is a passionate entrepreneur who believes in the power of great coffee to bring people together. He has dedicated himself to providing high-quality information and advice on all aspects of the coffee experience from brewing to sourcing. Marcus also enjoys sharing his knowledge of coffee through public talks and workshops, where he is able to educate his audience and foster meaningful connections within the coffee community. No matter the setting, Marcus seeks to bring joy and passion to every cup of coffee.

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