Does Tea Have Caffeine?

When it comes to tea, one of the most common questions people ask is, “Does tea have caffeine?” It’s a valid concern, especially if you’re mindful of your caffeine intake or simply curious about what’s in your cup. Whether you’re reaching for your daily morning brew or winding down with an afternoon tea, understanding the caffeine content can help you make more informed choices.

Does Tea Have Caffeine?

Yes, tea does contain caffeine, but the amount varies significantly depending on the type of tea you’re drinking. The variation in caffeine content comes down to several factors: the type of tea leaves used, the growing conditions, and even the processing method. For example, black tea undergoes full oxidation, which tends to preserve more caffeine compared to the lightly processed white tea.

How you brew your tea can also influence its caffeine content. Steeping your tea for longer periods or using hotter water can increase the amount of caffeine released into your cup. So, if you’re sensitive to caffeine or just trying to cut back, pay attention to both the type of tea you’re drinking and how you’re brewing it.

Most Popular Types of Tea

Green Tea

Caffeine: 20-45 mg

Originating from China, green tea is one of the most widely consumed types of tea in the world. It has a refreshing taste and high antioxidant content, which offers numerous health benefits, including improved brain function and fat loss.

How to Make Green Tea

• Use 1 teaspoon of green tea leaves per cup
• Heat water to about 175°F (80°C) just before boiling
• Steep for 2-3 minutes, then strain and enjoy

Black Tea

Caffeine: 40-70 mg

Black tea is a fully oxidized tea, making it stronger in flavor and higher in caffeine compared to other teas. Popular varieties include English Breakfast and Earl Grey. Black tea is also rich in antioxidants and may help reduce the risk of heart disease.

How to Make Black Tea

• Use 1 teaspoon of black tea leaves per cup
• Bring water to a rolling boil
• Steep for 3-5 minutes, depending on your strength preference

Oolong Tea

Caffeine: 30-50 mg

Oolong tea is partially oxidized, placing it somewhere between green and black tea in terms of flavor and oxidation. It has a smooth, rich taste with potential benefits in weight management and heart health.

How to Make Oolong Tea

• Use 1 teaspoon of oolong tea leaves per cup
• Heat water to around 185-205°F
• Steep for 3-5 minutes

White Tea

Caffeine: 20-45 mg

The least processed of all teas, white tea has a delicate flavor and contains a high concentration of antioxidants. It is beneficial for skin health and helps protect against certain types of cancer.

How to Make White Tea

• Use 1-2 teaspoons of white tea leaves per cup
• Heat water to about 160-185°F
• Steep for 4-5 minutes

Matcha

Caffeine: 70 mg

A type of powdered green tea, matcha is made from finely ground, shade-grown tea leaves. It has a distinct, grassy flavor and is rich in chlorophyll, making it an excellent detoxifier. Matcha is particularly popular for its high antioxidant content.

How to Make Matcha

• Use 1-2 teaspoons of matcha powder per cup
• Sift the powder to remove clumps
• Add 2 ounces of hot water and whisk until frothy
• Add more water or milk to taste

Herbal Tea

Caffeine: No caffeine

Herbal tea is technically not a true tea. It’s made from infusions of herbs, spices, and other plant materials. Popular varieties include chamomile, spearmint, and hibiscus. Herbal teas are caffeine-free and are often consumed for their soothing effects.

Related: Best Ginger Turmeric Teas

How to Make Herbal Tea

• Use 1-2 teaspoons of herbs per cup.
• Bring water to a boil
• Steep for 5-7 minutes.

Chai Tea

Caffeine: 40-70 mg

Chai tea is a spiced beverage made by brewing black tea with a mixture of aromatic spices and herbs, such as cinnamon, cardamom, and ginger. It is often sweetened and served with milk, making it a comforting and warming beverage.

How to Make Chai Tea

• Use 1 teaspoon of loose tea leaves and a blend of spices (cinnamon, cardamom, ginger, etc.) per cup
• Bring water to a boil
• Steep for 5-7 minutes
• Add milk and sweetener to taste

Related: How to Make Chai Tea Latte

Pu-erh Tea

Caffeine: 30-70 mg

A fermented tea that is known for its earthy flavor and potential digestive benefits. Pu-erh tea is often aged, which enhances its flavor profile and is prized in many cultures for its unique taste.

How to Make Pu-erh Tea

• Use 1 teaspoon of Pu-erh tea leaves per cup
• Rinse the leaves with boiling water to wake them up
• Now steep in freshly boiled water for 3-5 minutes

Bubble Tea

Caffeine: Up to 70 mg

Bubble tea, also known as boba tea, is a Taiwanese beverage that has gained massive popularity worldwide. It typically consists of a tea base mixed with milk or fruit flavorings and is topped with chewy tapioca pearls or other types of boba. People usually enjoy the drink cold in a sealed cup with a wide straw, allowing you to sip both the tea and the pearls.

How to Make Bubble Tea

• Start by brewing a strong cup of your preferred tea (black, green, or another type)
• Boil water and add the tapioca pearls, cooking them until they become soft and chewy, usually around 5-10 minutes
• Drain and soak them in a simple syrup or honey to add sweetness
• Combine the brewed tea, milk (or a dairy alternative), and sweetener in a shaker or blender
• Add ice and shake or blend until well-mixed and chilled
• Add the cooked tapioca pearls to a glass, pour the tea mixture over the top. Enjoy with a wide straw