Thai Iced Tea Caffeine: A Complete Guide


Watch as the creamy and sweet Thai iced tea with caffeine is poured into a glass
Watch as the creamy and sweet Thai iced tea with caffeine is poured into a glass

If you’re a fan of Thai cuisine, you’ve probably tasted Thai iced tea at some point. This refreshing drink, also known as cha yen, is a blend of black tea, spices, and condensed milk, creating a creamy and sweet taste. But do you know how much caffeine is in Thai iced tea? In this article, we will dive into the caffeine content of Thai iced tea and its benefits and risks.

What Is Thai Iced Tea?

Thai iced tea is a traditional Thai beverage that originated in the 1940s. The drink is made by brewing Ceylon tea leaves with spices such as cinnamon, star anise, and cardamom. The tea is then mixed with sweetened condensed milk, giving it a creamy and sweet taste. The final product is then poured over ice, creating a refreshing and popular beverage in Thailand and around the world.

Thai iced tea is known for its vibrant orange color, which is achieved by adding food coloring or by using a specific variety of tea leaves called Assam tea. Assam tea is known for its robust and malty flavor, and it is commonly used in blends for Indian chai tea.

Thai iced tea is often served in Thai restaurants and street vendors, and it has become a popular beverage in many countries. The drink can also be made at home using Thai tea mix, which is a blend of black tea leaves and spices that can be purchased online or in specialty stores. Now, let’s take a closer look at the caffeine content of Thai iced tea.

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The Caffeine Content in Thai Iced Tea

One of the main ingredients in Thai iced tea is black tea, which naturally contains caffeine. Caffeine is a natural stimulant that affects the central nervous system, and it is commonly found in coffee, tea, and energy drinks. The amount of caffeine in Thai iced tea can vary depending on the type of tea used and the brewing method.

On average, an 8 oz serving of Thai iced tea contains around 50-60 mg of caffeine, which is less than a cup of coffee but more than a cup of green tea. This caffeine content can vary depending on the brewing method and the type of tea leaves used. In general, the longer the tea is brewed, the higher the caffeine content will be.

Benefits of Caffeine in Thai Iced Tea

Caffeine has been studied extensively for its effects on the body and mind. In moderation, caffeine can have several benefits, including:

  • Increased energy and alertness: Caffeine is a natural stimulant that can help improve mental and physical performance.
  • Improved mood: Caffeine has been shown to increase the production of dopamine and serotonin, two neurotransmitters that can improve mood and reduce feelings of depression and anxiety.
  • Boosted metabolism: Caffeine can help increase metabolism and promote weight loss by increasing the amount of energy the body burns at rest.
  • Reduced risk of certain diseases: Studies have shown that moderate caffeine consumption may be associated with a lower risk of certain diseases, such as Parkinson’s disease, Alzheimer’s disease, and liver cancer.

These benefits can be enjoyed by consuming Thai iced tea in moderation. However, it is important to note that excessive caffeine consumption can lead to negative side effects, which we will discuss in the next section.

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Risks and Side Effects of Caffeine in Thai Iced Tea

While caffeine can provide many benefits, it can also have negative effects on some individuals. Consuming too much caffeine can lead to anxiety, restlessness, and insomnia. It can also cause headaches, digestive problems, and increased heart rate. Some people are more sensitive to caffeine than others, so it’s important to be aware of your own tolerance and limit your intake accordingly.

Additionally, pregnant women and individuals with certain health conditions, such as high blood pressure or heart problems, should limit their caffeine intake or avoid it altogether. It’s always a good idea to consult with a healthcare professional about any concerns you may have about consuming caffeine.


In conclusion, Thai iced tea is a delicious and refreshing beverage enjoyed by many around the world. It contains caffeine, which provides many benefits, such as increased energy and improved mental focus. However, it’s important to be aware of the caffeine content and its potential risks and side effects.

At Marmalade Cafe, we love providing tips on how to make the perfect cup of coffee, and that includes exploring different types of tea and beverages. Thai iced tea is a unique and flavorful option that’s worth trying. Just remember to enjoy it in moderation and be mindful of your own caffeine tolerance and health concerns.