Monday, September 21 2026

Why do Chinese people prefer milk tea over coffee? Starting from differences in caffeine metabolism and tea-drinking traditions

China is a major tea-drinking country, and in recent years milk tea has become one of young people's favorite beverages. Coffee and milk tea both contain caffeine, yet Chinese people's preferences for the two differ markedly. Behind this lie factors ranging from genetic metabolic capacity to the low-caffeine habit formed by Chinese people's long history of tea drinking, occupational structure, and differences in how income groups rely on stimulants versus sugar. This article will analyze, from the angles of caffeine content, metabolic genes, tea-drinking tradition, and workplace consumption data, why Chinese people favor milk tea over coffee, and explore the potential health risks of excessive caffeine intake. [more…]

The caffeine content in milk tea is not to be underestimated: one cup of milk tea may equal three cups of Americano, so sensitive individuals need to be cautious.

In recent years, milk tea has become a daily beverage for young people, but the caffeine content hidden within it is often overlooked. Some studies show that a single cup of milk tea may contain as much caffeine as three or more cups of Americano, and may even exceed the recommended daily intake. This article sorts out the sources of caffeine in milk tea, its health effects, and consumption tips, to help coffee enthusiasts and milk tea lovers make more rational beverage choices. At the same time, it also reminds readers to pay attention to the extra health burden brought by sugar and toppings. Whether you choose coffee or milk tea, only by understanding the ingredients can you drink with peace of mind. [more…]

Does milk tea also contain caffeine? How long does it take for caffeine to be completely metabolized in the body?

In the afternoon, you invite a friend to grab coffee, only to be politely turned down with "I'm afraid I won't be able to sleep tonight"—and instead, they order a milk tea. Sound familiar? But what you may not know is that milk tea also contains caffeine. Caffeine is a natural stimulant found widely in more than sixty plants, including coffee beans, tea leaves, kola nuts, and cacao beans, and it also appears in synthetic form in medications, energy drinks, and even chewing gum. Caffeine content varies considerably across different beverages: a roughly 225-gram cup of coffee contains 95 to 200 milligrams, a 340-gram can of cola about 35 to 45 milligrams, a 225-gram can of energy drink about 70 to 100 milligrams, and a 225-gram cup of tea between 14 and 60 milligrams. This article walks you through how caffeine is absorbed in the body, when it peaks, and its half-life, as well as which factors determine how quickly it is fully metabolized, helping you schedule your coffee and milk tea more scientifically. [more…]

Chagee's new drink has caffeine levels approaching two espressos—how can one cup of milk tea keep you awake all night?

Recently, Chagee's new product "Wanli Mulan" quickly gained popularity due to its support for International Tea Day and the "100 Million Cups Free in 7 Days" campaign. However, many consumers reported insomnia and heart palpitations after drinking it, with some even seeking medical attention overnight for electrocardiograms. The brand's customer service explained that tea polyphenols in the black tea base might trigger allergic reactions. According to the public ingredient list, a medium 470ml cup of "Wanli Mulan" contains caffeine close to two shots of espresso. Similar issues have occurred with Chagee's other hit product, "Boyazhuxian." In fact, market regulators' spot checks found that some milk teas have caffeine levels far exceeding coffee; in 2020, a spot check in Haiyan County, Zhejiang, revealed caffeine levels up to 460mg/kg in milk teas and fruit teas. This article will focus on this incident, trace the origins of the caffeine issue in milk tea, and explore how brands should more clearly inform consumers about drinking risks. [more…]

The Origins of Hong Kong-Style Yuanyang and the Truth About Caffeine: Why One Cup of Yuanyang Milk Tea Can Keep You Awake All Night

Yuanyang is a highly representative double-blend drink in South China and the Hong Kong-Macau region, combining coffee and silk stocking milk tea into one. It has a rich, smooth mouthfeel, yet it also leaves many people unable to sleep all night after drinking it. Why is it called "Yuanyang"? What versions circulate about its origin? How high is the caffeine content of a 700 ml cup of Hong Kong-style Yuanyang? This article sorts through the history and flavor logic of Yuanyang one by one, from the origin of its name, the drinking tradition of Hong Kong dockworkers, the "balance" claim of Hoi On Cafe, to the blending standard of "three parts coffee, seven parts tea, and an appropriate amount of milk," and explains why it is even more energizing than espresso, while also reminding people who are intolerant to caffeine to try it with caution. [more…]

The Health Benefits and Scientific Brewing Method of Rose Black Tea: A Complete Analysis of Caffeine Content, Antioxidants, Digestion, and Immunity

Rose black tea cleverly blends rich Chinese black tea with fragrant rose petals. It can serve as a gentle morning pick-me-up, a soothing afternoon relaxant, or a base for milk tea or lattes. This organic tea has a smooth taste and is enjoyable both plain and with a small amount of milk and sweetener. This article provides a comprehensive analysis of the factors affecting the caffeine content of rose black tea, such as tea variety, water temperature, steeping time, and floral ingredients, and details its health benefits in areas including antioxidant effects, improved digestion, energy enhancement, anti-inflammation, stress relief, vitamin C supplementation, and immune support. We will also share practical guides for hot brewing and cold brewing, and recommend related products from Front Street Coffee to help you better enjoy this beverage that combines floral fragrance and tea character. [more…]

The Origin Legend and Caffeine Truth of Hong Kong-Style Yuen Yeung: Why One Cup Keeps You Awake All Night

Hong Kong-style Yuanyang is a classic beverage that blends coffee and silk-stocking milk tea, beloved throughout Cantonese-speaking regions and even among Chinese communities worldwide. Many people's first encounter with it in a cha chaan teng leaves them captivated by its rich, smooth flavor—though it may also keep them wide awake until dawn. Where exactly did this drink come from? Why is its caffeine content so astonishingly high? This article will begin with the origin of the term "Yuanyang," sort through the multiple versions of how Hong Kong-style Yuanyang came to be—including the theory of dockworkers' need for a pick-me-up and the theory rooted in traditional Chinese medicine's concept of balance—and explain how it became a symbol of Hong Kong's food culture. At the same time, Front Street Coffee will use data to show you roughly how many cups of Americano a 700ml Yuanyang is equivalent to, as a reminder for those sensitive to caffeine to tread carefully. [more…]

1DianDian No Longer Allows Removing Tea Base: A2 Milk Costs, Store Rules, and the Dilemma for Caffeine-Sensitive Consumers

The Binglang incident has made milk tea consumers especially wary of ingredients such as non-dairy creamer and base milk, while 1 Dian Dian, having long used A2 milk to make its drinks, is seen as a breath of fresh air in the industry. Recently, however, many regular customers have noticed that stores no longer accept "remove the tea base" requests in the notes. Why was this thoughtful service, originally designed to accommodate caffeine-sensitive groups such as pregnant women and children, suddenly discontinued? Behind it lie milk consumption costs, store operating standards, and contractual constraints with suppliers. At the same time, consumers who are used to ordering a tea-base-free milk drink with toppings have also lost a cost-effective option. For those who easily suffer insomnia after drinking tea at night, whether an alternative exists has become their biggest concern. [more…]

Caffeine content of Bawang Chaji's new "Qingshan Qigu" drink tested; netizens complain they couldn't sleep all night after drinking it.

CHAGEE recently launched its winter new product "Qingshan Qigu" across its nationwide stores, featuring Wanxi yellow large-leaf tea paired with brown rice buckwheat and milk. The official description highlights its rich aroma of scorched rice and roasted rice. However, after this new product hit the market, consumer feedback has been sharply polarized—aside from disputes over the flavor, a large number of netizens have complained on social media about being unable to sleep all night after drinking it, with the number of insomnia posts even far exceeding taste reviews. According to the brand's published nutritional information, the product contains approximately 24.9mg/100ml of caffeine, which translates to about 144.4mg of caffeine in a large 580ml cup. Is it the caffeine at work or individual differences? This article takes you to find out. [more…]

Why is Ceylon black tea mostly broken leaves? How to avoid bitterness through brewing time and water temperature

Ceylon black tea originates from Sri Lanka and is known for its rich flavor and bright red color, often with hints of citrus and spice. Many tea lovers find that the Ceylon black tea they bring home is broken-leaf, which is actually related to its positioning as a high-quality broken-leaf tea. Broken-leaf tea is more concentrated than whole-leaf tea and tends to contain more caffeine. When brewing, it is recommended to use boiling water and steep for 2 to 4 minutes; the longer the steep, the more caffeine is released. Ceylon black tea offers multiple health benefits, including improving digestion, reducing inflammation, boosting energy, preventing colds, relieving stress, and improving concentration. The Ceylon black tea recommended by Front Street Coffee is suitable for drinking on its own or pairing with milk to make lattes and milk tea. This article will provide a detailed analysis of Ceylon black tea's origin, caffeine content, health benefits, and proper brewing methods. [more…]

A Comprehensive Analysis of Indian Assam Black Tea: Origin, Varieties, Flavor Characteristics, Brewing Methods, and Health Benefits

Assam black tea originates from the Assam region in northeastern India and is made from the Assam variety of the tea plant, making it one of the most renowned strong black teas in the world. Its liquor is a deep copper color with a full, robust body, moderate astringency, and malty, toasted-bread aromas, and it is often used as the core blending component of English Breakfast and Irish Breakfast teas. Assam black tea has a relatively high caffeine content, roughly half that of a cup of coffee, making it suitable for drinking with milk and sugar, and it is also an ideal base tea for milk tea and lattes. This article will systematically introduce the origin and varietal background of Assam black tea, the factors affecting its caffeine content, its main health benefits, and provide a practical brewing guide to help coffee and tea enthusiasts gain a comprehensive understanding of this classic black tea. [more…]

An Analysis of the Origin and Flavor of Indian Nilgiri Black Tea: Taste Characteristics, Caffeine Level, and Brewing Suggestions

In the Nilgiri region of Tamil Nadu in southern India, the high mountain terrain, monsoon climate, and fertile soil give rise to a black tea whose flavor falls somewhere between Assam and Darjeeling. This article will guide you through the origins of Nilgiri black tea, its taste characteristics, caffeine content, and its multiple health benefits, while also sharing the correct brewing method. Whether you are a purist who drinks it plain or someone who habitually adds milk and sugar, this Nilgiri black tea recommended by Front Street Coffee is worth a try. [more…]

A Complete Analysis of the Differences Between Espresso and Pour-Over Drip Coffee: Brewing Principles, Caffeine Content, and a Guide to Common Coffee Drinks

The world of coffee is vast and complex, but the two most common brewing schools are none other than espresso and filter coffee. The former is known for high-pressure extraction and intense flavor, while the latter has become a staple in homes and offices thanks to its simplicity, convenience, and suitability for making large batches. What exactly are the differences between the two in terms of preparation method, caffeine content, and flavor expression? Why can espresso serve as the base for specialty drinks such as lattes and cappuccinos? Why can the water-to-coffee ratio differ by several times? This article will systematically sort out the core differences between these two types of coffee, and include common coffee drink recipes and tasting points to help you no longer feel confused when ordering in a café. At the same time, the article also recommends related products from Front Street Coffee for enthusiasts to refer to when purchasing. [more…]

How to Control the Water Temperature and Steeping Time for Assam Black Tea? Authentic Brand Selection and Tasting Guide

Assam black tea originates from the Assam region of India and is known for its rich malty aroma, full-bodied liquor, and deep copper-red infusion. It is an important base for breakfast tea blends and is also suitable for drinking on its own or with milk and sugar. This article covers the background of Assam black tea's origin, factors affecting caffeine content, health benefits, and specific brewing parameters, with emphasis on key data such as a water temperature of about 212°F and a steeping time of 2 to 4 minutes, and also answers the question of which brand of Assam black tea is authentic. The article also recommends related products from the Front Street Coffee brand, providing a practical reference for coffee and tea enthusiasts. [more…]

A Complete Guide to Making Black Tea Milk Tea: An In-Depth Look at Okinawan-Style Features and Tea-Brewing Techniques

Milk tea, as a beverage popular worldwide, has developed into many forms depending on the region, including latte, bubble tea, Hong Kong-style milk tea, Hokkaido milk tea, Thai milk tea, and Indian masala chai. Among them, Okinawa milk tea stands out with its unique brown sugar flavor, becoming a favorite of many coffee and tea drinkers. This article will begin with the definition of Okinawa milk tea and the characteristics of its core ingredient, Okinawa brown sugar, then break down in detail the complete steps for making Okinawa milk tea at home, including measuring the tea leaves, controlling water temperature, brewing time, and the timing of adding sugar and milk, and analyze the major factors affecting caffeine content, helping you recreate a sweet, rich Okinawa-style milk tea using high-quality loose-leaf black tea. [more…]

Can Rooibos Tea Be Drunk Long-Term? An Analysis of the Blood-Sugar-Lowering Effects and Five Major Health Benefits of Caffeine-Free Rooibos

Rooibos tea, also known as red bush tea, is a herb unique to South Africa's Cederberg Mountains. Naturally caffeine-free, it has a smooth, sweet taste with nutty and vanilla notes. Rich in antioxidants and low in tannins, it is suitable for children, breastfeeding women, and daily long-term drinking. This article outlines the five major health benefits of rooibos tea, including research progress on antioxidant effects, anticancer potential, heart health, and diabetes prevention, and introduces its flavor characteristics and brewing methods. For coffee lovers interested in caffeine-free healthy beverages, Front Street Coffee also offers related product recommendations to help you easily enjoy this South African national treasure tea. [more…]

Where Does the Citrus Aroma of Earl Grey Tea Come From? Uncovering Bergamot Flavoring and Tea Blending Methods

How exactly does Earl Grey tea get its distinctive citrus aroma? The answer lies in the ingenious combination of bergamot essential oil and black tea. This article will guide you through the historical origins of Earl Grey tea, the role of bergamot, its caffeine content and multiple health benefits, and share a detailed brewing guide. Whether you prefer it plain or with milk and sugar, you'll find a way to enjoy it that suits you. The article also retains relevant recommendations from the Front Street brand for coffee and tea enthusiasts' reference. [more…]

Luckin Fair Isle Latte Divides Opinion: Assam Tea Flavor or Starbucks Alternative? Caffeine Reactions Spark Debate

As the weather turns cold in November, chain coffee brands are rolling out their winter drinks one after another. Luckin's "Fair Isle Latte" launched this week quickly drew attention, but consumer reviews have been notably divided. Some find it reminiscent of the Assam milk tea from their childhood memories, some joke that it is just a black tea latte with a new name, and others see it as a budget alternative to Starbucks' Black Tea Coffee Americano Latte. At the same time, some customers have reported insomnia, palpitations, and a racing heartbeat after drinking it, and discussion about its caffeine content has heated up accordingly. Is this new product actually worth trying? And how does it compare with existing products and competitors? This article compiles the official ingredients, user feedback, and the hot topics of discussion on social platforms for coffee lovers' reference. [more…]

An Analysis of the Differences Between Irish Breakfast Tea and English Breakfast Tea: How Does Twinings Breakfast Tea Taste?

Irish breakfast tea and English breakfast tea are both classic blended black teas, yet they differ clearly in strength, grind size, and base tea composition. Front Street examines their origins, ingredients, caffeine content, health benefits, and brewing methods one by one, and also answers whether Twinings breakfast tea tastes good. Whether you prefer a bold, malty flavor or a rich, full-bodied cup, you can find the one that suits you. [more…]

A Complete Guide to Ceylon Tea Varieties: From Black, White, Green, and Oolong Tea to Caffeine Content and Brewing Guide

Ceylon tea originates from Sri Lanka and, with its unique terroir and processing techniques, holds a special place in the hearts of tea lovers worldwide. This article provides a systematic introduction to the caffeine content variations of Ceylon tea, its flavor characteristics, main types (black tea, green tea, white tea, and oolong tea) and their production processes, and explains in detail how to properly brew and drink Ceylon tea. Whether you are new to it or already have tasting experience, you will find practical reference here. [more…]