Does Passion Tea Have Caffeine?

7 min read JAN 15, 2026

Quick Answer


The answer depends on the specific type of passion tea. Pure herbal passion tea (like Starbucks Passion Tango) contains zero caffeine. But if passion fruit flavoring is added to black or green tea, it will contain caffeine (14-60mg per cup). Check the ingredients and if you see hibiscus, fruits, and herbs but no tea leaves, you're drinking a caffeine-free version.

Key Takeaways


  • Pure herbal passion tea has zero caffeine.
  • Passion tea with black or green tea base does contain caffeine.
  • Starbucks Passion Tango Tea is completely caffeine-free.
  • Caffeine content ranges from 14-60mg in tea-based versions.
  • Brewing time and water temperature affect caffeine levels.
  • Passion tea offers antioxidants, vitamin C, and B vitamins.

It's 8:30 PM. You're craving something fruity and refreshing, but you don't want to be up all night. That beautiful ruby-red passion tea looks amazing, but you hesitate and ask questions like “will it keep you awake?”.

Most experts often recommend knowing your evening drink choices to support healthy sleep patterns. Let's clear up the confusion about passion tea and caffeine once and for all, so you can make the right choice for your body's needs.

What Exactly Is Passion Tea?


Passion tea comes in two main varieties, and this causes a lot of confusion when people ask about its caffeine content.

The first type is a true herbal infusion (also called a tisane). This version—like Starbucks' famous Passion Tango Tea—contains no actual tea leaves at all. According to the Starbucks website, their passion tea ingredients include "hibiscus flowers, citric acid, natural flavors, cinnamon, apple, licorice root, lemongrass, and fruit juice extract for color." With zero calories and zero caffeine, it's just a fruity, tart, refreshing drink.

The second type combines passion fruit flavoring with actual tea leaves (from the Camellia sinensis plant). These blends, often called "Passion Fruit Black Tea" or "Passion Fruit Green Tea," do contain caffeine because of the tea base.

WebMD describes passion tea as a "proprietary herbal tea blend" popular for its "vibrant, tropical flavor" that contains zero calories, protein, fat, carbohydrates, fiber, and sugar. It's also a good source of antioxidants, vitamin B, folate, and flavonoids.

Caffeine Content in Different Passion Teas


Let's break down the caffeine content in popular passion tea varieties:

Caffeine-Free Passion Teas:

Starbucks Passion Tango Tea: Contains zero caffeine. This vibrant red herbal infusion uses hibiscus, lemongrass, and other botanicals but no tea leaves.

Tazo Iced Passion: Another caffeine-free option. The label clearly states it contains no caffeine because it's a true herbal tea.

Caffeinated Passion Teas:

Passion Fruit Black Tea: Contains caffeine from the black tea base, typically 40-60mg per 8oz cup.

Passion Fruit Green Tea: Contains caffeine from the green tea leaves, usually 25-45mg per cup.

The amount of caffeine in passion fruit tea that uses actual tea leaves can range from 14mg to 60mg per cup. But there's no fixed amount for any specific brand or type. Even the same type of passion fruit tea with black tea might have 20mg of caffeine in one batch but 40mg in another.

What Affects Caffeine Levels in Passion Tea?

For passion tea made with actual tea leaves, several factors influence the caffeine content:

1. The Tea Variety


All tea comes from the Camellia sinensis plant, but different varieties naturally contain different caffeine levels. Also, younger tea leaves and buds typically pack more caffeine than older leaves.

2. Processing Methods


How the tea is processed after harvest affects its caffeine level. Green tea generally contains less caffeine than black tea. And so it makes it a better choice if you're sensitive to stimulants but still want some passion fruit tea.

3. Brewing Methods


The longer you steep your tea, the more caffeine will be extracted. A 2-minute steep creates less caffeine than a 5-minute steep. Water temperature also plays a role because hotter water extracts more caffeine than cooler water.

A study on caffeine in various beverages found that due to L-theanine (an amino acid in tea), the caffeine in tea affects the body differently than coffee caffeine. It tends to release more slowly. It creates a gentler, more sustained energy without the jitters or crash.

Health Benefits of Passion Tea

Passion tea is not only just tasty but it also offers several potential health benefits too:
Antioxidant Properties

The hibiscus in herbal passion tea contains powerful antioxidants that help fight free radicals in your body. These compounds may help reduce oxidative stress and inflammation.

Vitamin Content


According to WebMD, passion tea provides vitamin C, which "may help support a healthy immune system, prevent gum disease, and protect against free radical damage." It also contains B vitamins and folate.

Zero Calories


Pure passion tea contains virtually no calories. It makes it a great alternative to sugary drinks when you're watching your weight. Even Starbucks' Iced Passion Tango Tea contains just 5 calories per grande (16oz) serving.

Hydration


The refreshing taste makes it easier to stay hydrated, especially in hot weather when you might need extra fluids.

Is Caffeine in Passion Tea Something to Worry About?

For most healthy adults, the caffeine in passion fruit tea shouldn't cause concern. Health authorities suggest that 400mg daily is a safe caffeine limit for adults and that's about 6-10 cups of passion fruit tea with a tea base.

However, it's better to space out your caffeine intake throughout the day. FDA recommend consuming no more than about 400mg of caffeine at one time.

Pregnant women should limit caffeine to 200mg per day total or avoid it completely. Even though passion fruit tea has relatively low caffeine content, expectant mothers should track their intake carefully.

If you're caffeine-sensitive or want to avoid it completely, stick with pure herbal passion teas like Starbucks Passion Tango Tea or Tazo Iced Passion.

How to Enjoy Passion Tea

Hot or Iced

Passion tea tastes amazing both hot and cold. For iced tea, brew it stronger than usual since the ice will dilute it.

Natural Sweeteners


Try a touch of honey or maple syrup instead of refined sugar. The natural sweetness complements the tart hibiscus perfectly.

Fruity Additions


Add fresh berries, orange slices, or a squeeze of lemon to enhance the flavor profile.

Caffeine Control


If you're using a passion fruit tea with a tea base but want less caffeine, use cooler water and steep for a shorter time.

Conclusion


So, does passion tea have caffeine? It depends on the type. Pure herbal passion tea blends like Starbucks Passion Tango contain zero caffeine and are safe to drink any time of day. Passion tea blends that use black, green, or other tea leaves do contain caffeine. It can range from 14-60mg per cup.

When in doubt, check the ingredients list. If you see Camellia sinensis, tea leaves, black tea, or green tea, then your passion tea contains caffeine. If you only see herbs, flowers, and fruits listed, you're enjoying a caffeine-free version.

Frequently Asked Questions (FAQs)

Can I drink passion tea before bed?


Herbal passion tea (without tea leaves) is caffeine-free and fine before bed. Avoid passion fruit teas made with black or green tea in the evening if you're sensitive to caffeine.
How much caffeine is in Starbucks Passion Tea?

Starbucks Passion Tango Tea contains 0mg of caffeine, as confirmed by their nutrition information.

Does adding lemonade to passion tea add caffeine?


No, adding lemonade doesn't add caffeine. Lemonade is caffeine-free.

Is passion tea good for weight loss?


Plain passion tea is calorie-free and can be part of a healthy weight management plan, especially when it replaces sugary drinks.

How can I tell if my passion tea has caffeine?


Check the ingredients. If it lists tea leaves, black tea, green tea, or Camellia sinensis, it contains caffeine. If it only lists herbs, flowers, and fruits, it's caffeine-free.

Is passion tea the same as passion fruit tea?


Not always. "Passion tea" often refers to herbal blends with hibiscus. "Passion fruit tea" usually means tea flavored with passion fruit, which may contain caffeine depending on the tea base.

About the Author


This article was written by the Lifeboost writing team based on current research about tea and caffeine. We reference information from trusted sources including WebMD and official Starbucks nutritional data.

Disclaimer: This article is for informational purposes only and is not intended as medical advice. Individuals with specific health concerns should consult with a healthcare professional before consuming caffeine-containing beverages.

Check out Lifeboost Coffee Grata Medium Roast.

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