Is Tetley Boost tea good for you? A balanced look at its benefits and ingredients

January 12, 2026 •

4 min read

Tetley's 'Super Teas' range includes various 'Boost' infusions, each fortified with vitamins to support specific wellness claims, with Vitamin B6 being a key ingredient known to help reduce tiredness and fatigue. But beyond the marketing, how does this tea actually stack up for your health?

Quick Summary

This analysis delves into the nutritional content and health claims of Tetley Boost tea, evaluating its ingredients, variety-specific benefits, and potential drawbacks.

Key Points

Vitamin-Fortified: Many Tetley Boost teas contain added Vitamin B6, which helps reduce tiredness and fatigue.
Caffeine Varies: While Green Tea Boost contains moderate caffeine, Herbal and Fruit Boost varieties are naturally caffeine-free.
Low Calorie: Tetley Boost teas are very low in calories, making them a good option for a flavourful, guilt-free drink.
Not a Replacement for Diet: The vitamin boost in Tetley tea should not replace a balanced, healthy diet and should be consumed in moderation.
Potential Side Effects: Overconsumption, particularly of caffeinated versions, can cause issues like reduced iron absorption or anxiety in sensitive individuals.
Ingredient-Specific: The benefits depend on the specific blend; green tea versions offer antioxidants, while herbal blends rely on their base ingredients.

Understanding Tetley Boost Tea

Tetley Boost is part of the 'Super Teas' line, which combines traditional tea or herbal infusions with added vitamins and minerals. The core premise is to deliver functional benefits in a convenient, flavourful format. Unlike standard black or green teas, the Boost variants are specifically engineered with a health-conscious angle, targeting common concerns like low energy and fatigue. The ingredients vary significantly depending on the specific product, so it's crucial to examine them individually to understand their potential effects.

The Role of Vitamin B6

A central component in many Tetley Boost blends is Vitamin B6. This water-soluble vitamin plays a vital role in several bodily functions, including energy metabolism and supporting the central nervous system. According to product information, a single serving of some Tetley Boost teas can provide a significant portion of the recommended daily intake of Vitamin B6, making it an easy way to supplement this nutrient. While a cup of tea isn't a replacement for a balanced diet, this added vitamin is the primary driver behind the 'boost' health claim. However, it’s important to note that many people get enough Vitamin B6 from their regular diet, so the necessity of this supplement varies from person to person.

Common Ingredients in Tetley Boost Teas

Different Tetley Boost varieties feature distinct ingredient lists, which influence both flavour and functional properties. Here is a breakdown of common components:

Green Tea Boost (Berry Burst): Contains green tea, natural flavourings, and fruit pieces (raspberry, strawberry), along with added Vitamin B6. The green tea base offers antioxidants, which contribute to overall well-being.
Super Fruits Boost (Blueberry & Raspberry): A naturally caffeine-free herbal infusion with hibiscus, rosehip, apple, orange peel, and Vitamin B6. This blend focuses on flavour and vitamin enrichment without the stimulant effects of caffeine.
Super Herbal Boost (Peach, Ginger & Dandelion): Another caffeine-free blend combining ginger, dandelion, and peach flavour with Vitamin B6. This variation leverages traditional herbal ingredients alongside the added vitamin.

Potential Health Benefits and Considerations

Beyond the specific vitamins, the base ingredients of Tetley Boost teas offer their own set of benefits. Green tea is well-known for its antioxidants and potential metabolic support. Herbal ingredients like ginger have long been used for digestive health and anti-inflammatory properties. However, it is essential to contextualise these benefits within a normal diet.

Comparing Tetley Boost with Other Teas

To evaluate if Tetley Boost is a good choice for you, it helps to compare it to other popular teas. The table below highlights some key differences.


Feature	Tetley Boost (e.g., Berry Green Tea)	Standard Green Tea (e.g., Pure Tetley)	Standard Herbal Tea (e.g., Peppermint)
Added Nutrients	Contains added Vitamin B6 for energy metabolism.	No added vitamins.	No added vitamins.
Caffeine	Contains moderate caffeine from green tea. Herbal versions are caffeine-free.	Moderate caffeine content.	Typically caffeine-free.
Antioxidants	Contains antioxidants from green tea base.	Rich in antioxidants.	Variable; depends on herbal ingredients.
Calorie Content	Very low, typically ~5kcal per serving.	Negligible.	Negligible.
Primary Benefit	Targeted support for energy and metabolism with added B6.	General antioxidant and metabolic support.	Relaxation, digestion, or flavour.

Are There Any Side Effects?

While generally safe for most people, excessive consumption of any tea can have side effects. For caffeinated versions like the Green Tea Boost, overconsumption can lead to caffeine-related issues. The Healthline article details potential side effects of too much tea, including:

Increased anxiety and restlessness: Linked to high caffeine intake.
Reduced iron absorption: Tannins in tea can inhibit iron absorption, especially from plant-based foods.
Sleep disruption: Caffeine can interfere with melatonin production and sleep cycles.
Nausea or heartburn: Tannins can irritate the digestive system in sensitive individuals.

Naturally caffeine-free Boost variants avoid these issues, but it's important to be mindful of any underlying health conditions, such as pregnancy, before starting any new supplement, even in tea form. A balanced approach is key, and enjoying the tea as part of a varied and healthy lifestyle is recommended. For further reading on the effects of green tea, one can consult the National Center for Complementary and Integrative Health (NCCIH) via their resource on Green Tea: Usefulness and Safety.

Conclusion: A Healthy Addition, Not a Miracle Cure

Ultimately, whether Tetley Boost tea is 'good for you' depends on your overall diet and health needs. It is not a replacement for a healthy lifestyle, but it can be a flavourful and low-calorie way to supplement your intake of Vitamin B6. The added vitamins can offer a small targeted benefit, primarily related to reducing tiredness and fatigue, but are not a cure for chronic health issues. For those who enjoy a fruity or herbal flavour and want a vitamin boost without high calories, it can be a good choice. However, as with any food or drink, moderation is key, and for caffeinated versions, understanding your caffeine sensitivity is important. The natural versions are a safe and flavourful alternative for those seeking to avoid caffeine altogether. By understanding the ingredients and considering your personal health, you can decide if Tetley Boost is the right fit for your routine.

Frequently Asked Questions

The caffeine content depends on the specific Tetley Boost product. The Green Tea Boost varieties contain moderate caffeine, while the Herbal and Fruit Boost infusions are naturally caffeine-free.

The Vitamin B6 added to Tetley Boost is intended to contribute to normal energy metabolism and help reduce feelings of tiredness and fatigue.

Yes, you can drink Tetley Boost daily as part of a varied and balanced diet. However, moderation is advised, especially for the caffeinated versions, to avoid potential side effects from excessive caffeine or tannins.

Tetley Boost teas are very low in calories. For instance, the Super Fruit Boost provides only about 5 calories per serving.

It is best to consult a healthcare professional before consuming any vitamin-fortified or herbal teas during pregnancy. While caffeine intake should be limited, some herbal ingredients may also not be suitable.

Yes, the benefits differ by flavour. The Green Tea Boost offers antioxidants from its green tea base, while the Herbal Boost variants rely on their specific herbal ingredients like ginger or dandelion for additional properties.

As with any supplement or herbal product, it is possible for some ingredients to interact with medications. It's best to consult a healthcare provider if you are taking medication and considering adding a new tea to your routine.

The Vitamin B6 in Tetley Boost contributes to energy metabolism over time rather than providing an immediate energy spike. The feeling of being 'boosted' is more of a gradual effect from consistent consumption.