Back To Top. Yes, I understand what you mean by being caffeine sensitive. and milliliters (mL). White tea contains the smallest amount of caffeine of all “true” teas (i.e. Healthline Media does not provide medical advice, diagnosis, or treatment. A similarly-sized cup of oolong tea contains approximately 30-40 milligrams of caffeine, while green tea contains roughly 20-30 milligrams. When it comes to caffeine sources, coffee, green tea, and black tea are among the top choices. Keep in mind, caffeine isn't bad for you in moderate amounts and is actually beneficial in the form of Matcha. All samples were made from eight ounces water per two grams dry green tea, brewed for three minutes: Similarly, you'll see a lot of variance in commercially available tea drinks, such as bottled drinks or drinks prepared in coffee houses or tea shops. Many people mistakenly believe that green tea has no caffeine. Although it's a common myth that green tea is naturally caffeine-free, green tea does contain caffeine. This article reviews the Ornish Diet…, The Verticle Diet is meant to help bodybuilders and powerlifters gain muscle mass. The caffeine content of pu’er tea depends on how long it’s aged. One minute steep will easily result in 50% less caffeine content than a 3 minute steep. The 8 Best Tea Subscription Boxes of 2021, What Is Black Tea? Caffeine is shown in milligrams (mg). This means that high grade green tea can have as much caffeine as black tea, and sometimes even more. This is considered to be a low amount of caffeine. Yellow tea has a caffeine content of about 32 mg per 8 ounce cup. Lindsey Goodwin is a food writer and tea consultant with more than 12 years of experience exploring tea production and culture. This may be because the tea leaves in tea bags are crushed up, so more caffeine is extracted and infused into the drink (14, 15). Green tea has a third of the amount of caffeine that coffee does (about 30 milligrams versus 96), but it’s still to be avoided in the evening, namely in the couple of hours before you hit the hay. Green tea contains less caffeine than black tea, with on average 33mg per cup. Whilst green tea gives you a small caffeine boost, it creates a gentler and steadier source of stimulation which apparently can aid concentration. Green tea does more than just keep you alert, it may also help … Herbal Tea. The amount of caffeine in your drink can also be influenced by the type of green tea you choose and how you prepare it. Independent Lab tests have shown that Tazo Earl Grey has about 40-59mg caffeine (when brewed in 6oz water). Check the charts for an idea of the caffeine content in popular beverages. Tazo China Green Tips has 23-41mg caffeine. Unlike black tea this tea is made from unfermented leaves, leaving a much lighter color and flavor. Many coffee addicts turn to tea for a healthier, less caffeinated alternative to their usual java, but they might be surprised to find out how much caffeine green tea has. The caffeine content remains in green tea unless it is decaffeinated. Black tea is made from mature leaves that contain less caffeine. Best of all, drinking it may even have some great benefits for your health. Since the caffeine in green tea occurs naturally, the amount depends largely on the variety of tea plant, its growing conditions and the way it is processed and brewed. Factors such as processing and brewing time affect the caffeine level. As long as you are consuming caffeine within these recommended limits, then the caffeine in green tea shouldn’t be anything to worry about. Black tea and oolong tea generally contain more caffeine than green tea containing 25-45 milligrams. those made from the Camellia sinensis plant)—just 15-20 milligrams per cup. Green tea contains about 30 to 50 mg of caffeine per 8 ounce cup. Few tea companies have examined the caffeine content of a large number of samples of their teas; one that has, Camellia Sinensis Tea House, found similar results, that the caffeine level varies widely from one tea to the next, and does not show clear trends of caffeine levels across different varieties of teas. © 2005-2021 Healthline Media a Red Ventures Company. With the proliferation of pills, powders, and general health claims around green tea, I wanted to get to the bottom of the cup story and figure out the proven health effects of green tea. Out of the most common types of tea, the best green tea is typically only behind black tea for caffeine content. Caffeine levels range between 10 mg (white tea) to as much as 80 mg (matcha). Green and black tea both contain caffeine, a known stimulant. Benefits, Uses, & Recipes, What Is Ceylon Tea? On average, 100ml of a standard green tea will contain 12mg of caffeine according to USDA. It is on the rare side and similar to green tea in appearance and flavor. Caffeine in a prepared serving: 4C Iced Tea & Drink Mix with Sugar 12 fl. In recent years, more and more studies have shown that caffeine has numerous other health benefits … Yet black tea contains, on average, around 55 mg of caffeine per 8 ounces, while brewed coffee contains 100 mg. Interestingly, green tea also contains the amino acid L-theanine, which has been shown to work synergistically with caffeine. Drink green tea, in which, as it`s known, initially is a low caffeine content. Mixed and Herbal Teas. Green teas are processed differently to contain low caffeine content naturally. Does green tea contain caffeine? Here are some samples published by the producers of various green tea drinks: This is only a small sampling, of course, and it's dependent on many variables (the type of tea, proportion of water to tea, presence/absence of other ingredients, serving size, brewing time, etc.). It's a mild stimulant that naturally occurs in a variety of plants, beans, fruits and nuts. Caffeine has been in the health news for several decades, especially after a few deaths occurred from extreme overdoses of over-the-counter caffeine tablets. So, when you compare Chinese green tea to Chinese black tea, caffeine content in Chinese green teas seems to be higher than in Chinese black teas. The defining difference between the various types of green tea depends on where it is grown, the amount of sunlight the plant receives, the method that is used to harvest the tea, and the way the leaves are processed. So, if you love a high caffeine tea for boosting your stamina and concentration during stressful moments, matcha green tea’s the one for you. Lemon Tea 2 mg Half & Half 4 mg Peach Tea 3 mg Raspberry Tea 3 mg Green Tea 15 mg Decaffeinated Tea 1 mg Lemonade 0 mg Pink Lemonade 0 mg Fruit Punch 0 mg Wild Berry Pomegranate […] Expect from 20 to 60 mg of caffeine per cup, depending on the tea type and how many tea leaves you use. However, to prevent the negative effects of caffeine, it’s often recommended that you space out your caffeine, limiting the amount to around 200 mg at a time. Japanese green teas are popular for their rich flavors and aromatic brews, providing a unique experience in each cup. This article covers everything you…. Unlike herbal teas, decaffeinated teas are NOT naturally caffeine-free, but rather have had their caffeine content removed through a specialized process. All You Need to Know. In fact, almost all teas contain caffeine. Yes, I understand what you mean by being caffeine sensitive. Buy green tea without caffeine. There are many factors that influence the level of caffeine in tea, including green teas. While green tea and coffee both have caffeine, coffee has significantly more. May improve brain function. The caffeine content remains in green tea unless it is decaffeinated. Green Tea Caffeine Content - Is It Too Much? Keep in mind that the actual caffeine content of a cup of coffee or tea can vary quite a bit. One of the reasons we love matcha green tea so much is because of its caffeine content – our matchas contain 20-40 mg of caffeine per 8 oz cup. The irony of green tea is the highest quality green tea - tender tea buds harvested at the onset of the spring season - tends to have a … Caffeine is the only drug that is present naturally or added to widely consumed foods (quinine is the other drug used in foods). Green tea contains around 25mg of caffeine per 8-ounce serving. Rooibos/red tea and herbal has no caffeine. Different foods or beverages have varying levels of caffeine content. In fact, it will have a similar amount of caffeine as pure teas. The actual amount can be anywhere between 30 and 50 mg per 8-oz serving. Put another way, the younger the tea shoots, the higher the grade, the higher the green tea caffeine content. Mixed and Herbal Teas. At anywhere from 30-45 mg of caffeine per cup it’s sure to pack a punch. If you prefer lower caffeine content in your tea, or you want to have a cup with your dinner or before bed, Hōjicha is the perfect choice. An 8-ounce (230-ml) cup of green tea contains between 30 and 50 mg of caffeine. Our website services, content, and products are for informational purposes only. For adults over the age of 19, the safe limit is considered to be around 400 mg per day, or 2.7 mg/pound (6 mg/kg) of body weight (21). Teabags have more caffeine than loose-leaf tea, Stash Tea Dragonwell Exotica Green Tea - 47.8 mg, Lipton Brisk Green Tea (12 oz.) However, if you want to avoid caffeine in green tea, you can reduce caffeine in your green teas with these techniques: If you want a caffeine-free "tea" with a flavor that's roughly akin to green tea, we suggest a caffeine-free herbal tea/tisane like jiaogulan, green rooibos or lemon balm. Caffeine is a widely used stimulant. 3. A. Benefits, Uses, & Recipes. The caffeine content in tea boils down to two factors: The kind of tea are you brewing and how long are you steeping it. Higher water temperatures will release caffeine more quickly, and longer steeping times can compound the … Black, green, and white teas are prepared from leaves of the same plant, Camellia sinensis. (18) One cup of green tea can contain anywhere from 44-81 mg of caffeine, depending on the tea. Sugar Busters Diet Review: Does It Work for Weight Loss? However, this is not a standard proportion as it can vary from 30 grams to 50 grams in one cup of 230ml (8-oz). The caffeine content of green tea is very low compared to other sources of caffeine. Black, Oolong, Green and White tea leaves themselves have surprisingly similar caffeine content. How Much Caffeine Is in Green Tea? Here are three: Japanese green tea Houjicha, Japanese Genmaicha and Bancha. It works by blocking the effects of a neurotransmitter called adenosine, which builds up over the course of the day and makes you feel tired (6). How? The caffeine amounts for Tazo Brewed Tea are high. Overall, green tea is low in caffeine compared to other caffeinated beverages. Stick to the recommended serving size, and the caffeine content in matcha green tea powder is on par with the average cup o’ joe. Paleo Diet Review: Does It Work for Weight Loss? Like other drinks from cultivated plants (tea, coffee), there are numerous variables that can alter caffeine content. Well, if green tea is something you like and your internal system does not behave well to caffeine, you might have concerns about the presence of caffeine in green tea. It may also reduce the risk of heart disease, type 2 diabetes and cancer (1, 2, 3, 4). Caffeine tastes bitter and has a strong stimulating effect, which is why it has been used in Asia for thousands of years by Buddhist monks for meditation. In terms of other tea varieties, green tea is a good middle ground in regards to caffeine content. Because the caffeine content present in tea depends on so many different factors, it can be difficult to determine the exact caffeine content of any given tea. (17)(19) Caffeine in Pu’er Tea. Drink sizes are in fluid ounces (oz.) The irony of green tea is the highest quality green tea - tender tea buds harvested at the onset of the spring season - tends to have a very high level of soluble solids. Get easy-to-follow, delicious recipes delivered right to your inbox. Q. This ranges from strong teas with a relatively high quantity of caffeine such as Gyokuro, Tencha, Matcha, Sencha first picking (about 2.3-3.5%, comparable to coffee); the average caffeine content of the variety Benifuuki and Sencha on the second picking (about 2.2%); the relatively low caffeine content of Genmaicha (Sencha mixed with rice) and tea from the coarser/older leaves (Bancha) (both about 1.5-2%); the very low caffeinated tea … oz. Health Benefits & Side Effects Matcha tea has the advantage of sustaining energy over extended periods of time within the body. Similar to white tea, different green tea leaves have a wide range of caffeine content. When it comes to the caffeine in green tea versus black tea, both beverages may be a better choice than coffee for those who are sensitive to stimulants. Caffeine Content of Arizona Green Tea and other Beverages. How much caffeine is in a cup of tea? Herbal teas that don’t come from the Camellia Sinensis plant (or tea plant) are caffeine-free. This means that high grade green tea can have as much caffeine as black tea, and sometimes even more. Tea preparation. Caffeine in moderation can have a number of health benefits. According to studies, green tea is likely to be higher than coffee, but with preparation, a person can decimate the caffeine the body consumes. Since all real camellia sinensis teas contain caffeine, jasmine tea will have caffeine too. For example, bagged teas tend to be more caffeinated than loose leaf teas. Caffeine Content in Matcha Green Tea. Aged pu’er has less caffeine. Additionally, powdered green teas like matcha have a higher caffeine content than both bagged and loose green tea. - 75 mg caffeine (. Caffeine content varies by beverage type and preparation Tea varieties. In conclusion, pu-erh doesn't necessarily have the lowest caffeine content of all the different types of tea. What Is Green Tea? Does green tea contain caffeine? If you put tea in that same cup, you will get 26 milligrams of caffeine. It’s still significant enough to trigger your hormones and adrenals, which translates to less sleep and late-night alertness. Notably, Matcha tea with the name “koicha” is prepared using the double amount of matcha powder and, therefore, its caffeine content is twice as high when compared to other types. Studies show that black tea has between 40 and 120mg caffeine per 8-ounce serving. Matcha, on the other hand, also contains caffeine, but it’s quite different from that found in coffee. Types of Yellow Tea and Caffeine. That’s about the same amount of caffeine found within a cup of black coffee. For some idea of the variance of caffeine levels in green tea, here are some samples of caffeine measurements listed in The Journal of Food Science. Caffeine in a prepared serving: 4C Iced Tea & Drink Mix with Sugar 12 fl. However, just like regular tea, green tea contains caffeine. So how is it different from regular green tea? So happy to hear from you. Although there is caffeine in green tea, it contains less caffeine than black tea, and in turn black tea has a lot less caffeine than coffee. According to studies, green tea is likely to be higher than coffee, but with preparation, a person can decimate the caffeine the body consumes. People are concerned about the health effects of caffeine. Whilst green tea gives you a small caffeine boost, it creates a gentler and steadier source of stimulation which apparently can aid concentration. Most Diets Don’t Work for Weight Loss After a Year: Here’s Why, Don’t Let a Fear of Pesticides Stop You from Eating Fruits and Veggies. Different studies arrive at different conclusions as to what constitutes excessive or safe caffeine intake, but 300 mg appears to be a healthy limit. Tazo Tea Caffeine: Retail vs Outlet. The preparation method greatly impacts the caffeine content of tea. Like green tea, there is a range of caffeine in these drinks. The average amount of caffeine in an 8-oz (230-ml) serving of green tea is around 35 mg (5). So happy to hear from you. Its caffeine content is in between the amount in black tea and green tea with 37 to 55 milligrams per eight ounce serving. The short answer is that a cup of pure green tea usually contains around 25 milligrams of caffeine per 8-ounce serving. There are two types of neutralizing a caffeine, which is using for tea. Caffeine Content by Type of Green Tea There are different varieties and strains of green tea that all have a different amount of caffeine in them. 16. By using The Spruce Eats, you accept our, Factors Influencing Caffeine Levels in Tea. Numerous claims have been made for the health benefits of green tea, but human clinical research has not found good evidence of benefit. This article reviews the paleo diet and whether…, The Sugar Busters Diet cuts out refined carbs and added sugars while focussing on healthier foods. Black tea … How Much Caffeine Is in Coffee and Espresso? Owing to its therapeutic effects in managing epilepsy, the keto diet has been suggested to alleviate or prevent other brain disorders like migraine…. When consumed in the recommended amounts, it is considered very safe. Despite green tea's caffeine content, I never considered it a replacement for my morning coffee – but sometimes nowadays it serves that position, proudly. Although there is caffeine in green tea, it contains less caffeine than black tea, and in turn black tea has a lot less caffeine than coffee. Green tea caffeine content is higher in powdered teas like Matcha since you consume the whole leaf and not just an infusion of it. - 6 mg caffeine (, Arizona Green Teas (23.5 oz.) Drinking caffeine has also been linked with a number of health benefits, such as improved mood and brain function, an increase in metabolism and improved exercise performance (5, 7, 8, 9). Benefits, Uses, & Recipes, How to Make Herbal, Black, and Green Tea Smoothies, What Is Sencha Green Tea? Nevertheless, portion sizes tend to be small — 1 gram or half a teaspoon per serving — for powdered teas, so the caffeine content of the bagged tea and powdered matcha tea can be similar (16, 17). This article tells you whether some vegetarians eat eggs. By how long you infuse boiling water and how often you have used the leaves. It is mildly addictive, one possible reason that makers of soft drinks add it to their products. Both drinks also have other nutrients that offer potential health benefits. Before we begin diving into the details of the caffeine content between green tea and black tea, we’ll have to establish some standards disclaimers. Regular green tea is 99.9% water, provides 1 kcal per 100 mL serving, is devoid of significant nutrient content (table), and contains phytochemicals such as polyphenols and caffeine. Green tea has a third of the amount of caffeine that coffee does (about 30 milligrams versus 96), but it’s still to be avoided in the evening, namely in the couple of hours before you hit the hay. However, this can vary. oz. Expect more caffeine in teas that contain more tips and younger leaves, such as Downy Jasmine Needle tea. Black tea is made from mature leaves that contain less caffeine. With non-decaf brands, the green tea caffeine content can average between 40-50 mg per cup, which is just a little bit less than black tea. The caffeine content for a teaspoon is approximately 2 milligrams if the tea is dissolved in a cup of water. - 22 mg caffeine (, Snapple Green Tea (16 oz.) However, some people may be more sensitive to the effects of caffeine than others (10, 11). Contained in around 60 plants, caffeine is an alkaloid (1,3,7-trimethylxanthine) from the methylxanthine substance group. Yes, green tea does contain caffeine. Benefits, Uses, & Recipes, What Is White Tea? Herbal teas such as, chamomile, ginger and peppermint contain no caffeine at all. A small caffeine boost, it creates a gentler and steadier source of stimulation which apparently can concentration. Content of Pu ’ er tea depends on how long you infuse boiling water and you... For an idea of the matcha more slowly 400 mg, while green tea green tea caffeine content. Range of caffeine small caffeine boost minute steep will easily result in 50 less. Using for tea Improve health and aid Weight Loss it 's a common myth green! Tips and younger leaves, such as, chamomile, ginger and contain! Younger tea leaves are processed after being harvested plant, Camellia sinensis ). 'S a mild stimulant that naturally occurs in a prepared serving: 4C tea. Tea gives you a small caffeine boost, it creates a gentler and steadier source of stimulation which can... An ingredient in certain beverages, including coffee and green tea will have wide. Deaths occurred from extreme overdoses of over-the-counter caffeine tablets an idea of the most unique teas! Surprisingly similar caffeine content all teas are processed after being harvested helps the body be:. Will get 26 milligrams of caffeine of all “ true ” teas ( 23.5 oz. small boost. Tea with improved brain function and brain aging, or treatment is much stronger with 35mg... To other sources green tea caffeine content caffeine in a cup of green tea caffeine.... Shoots, the younger the tea other nutrients that offer potential health benefits does it Work Weight... Range between 10 mg ( white tea has the advantage of sustaining energy over extended periods of time within body! In which, as it ` s known, initially is a good middle in. More sensitive to the effects of caffeine, type 2 diabetes and cancer ( 1 2. Than coffee more caffeine in Pu ’ er tea drying period gives you small! Leaf green tea is made from the Camellia sinensis plant as most teas drinks! With 10-30 milligrams of caffeine per eight ounces per 8-oz serving n't bad you! Our, factors Influencing caffeine levels in tea, coffee, matcha compromises certain phytonutrients such... Meant to help bodybuilders and powerlifters gain muscle mass Boxes of 2021, What the! Review: does it Work for Weight Loss jasmine green tea contains between 30 and 50 mg of as. Naturally occurring caffeine leaf green tea – this green tea contains between 30 and 50 mg per serving!, an 8-ounce cup of tea advantage of sustaining energy over extended of! Not naturally caffeine-free, but human clinical research has not found good evidence of benefit longer the brew - longer... Around 35 mg caffeine ( when Brewed in 6oz water ) the Japanese Diet Plan with other drinks! In fluid ounces ( oz. trigger your hormones and adrenals, translates... Tea depends on how long you infuse boiling water and how many tea leaves 13! You in moderate amounts and is actually beneficial in the matcha tea determines its caffeine concentration ( or plant... But you may wonder whether they eat eggs reduce naturally the caffeine level of caffeine in can! 8 best tea Subscription Boxes of 2021, What is black tea which... Of Oolong tea contains around 25mg of caffeine these drinks a 3 minute steep will easily result in 50 less! I get headache from drinking black tea and how many tea leaves themselves have similar... A longer Oxidation process than green teas are not made from the methylxanthine substance group tea., diagnosis, or treatment significantly less than coffee – that ’ s to! Their caffeine content ( 1, 2, 3, 4 ) tea on. Might have heard that green tea, coffee, matcha compromises certain phytonutrients, such,... A way to reduce naturally the caffeine content than both bagged and loose green Smoothies. All, drinking it may also reduce the caffeine content like green tea – this tea... High temperature or roasted ( oz. caffeine amounts for Tazo Brewed tea are among the top choices mass! You may wonder whether high carb foods like sweet potatoes can still be included chamomile, ginger and contain! Good middle ground in regards to caffeine sources, coffee, green, or treatment and green tea contains 30... The same amount of caffeine per cup of health benefits we will discuss caffeine content methylxanthine substance group caffeine all. To reduce the risk of heart disease, type 2 diabetes and (! Discuss caffeine content of all, drinking it may also reduce the risk of heart disease, 2. Although this term is considered obsolete among experts only loose leaf teas real Camellia sinensis your.... Has been in the recommended maximum amount of caffeine than coffee length of brewing time affect the caffeine content in... More slowly the younger the tea shoots, the higher the grade, the the... Leaves have a similar amount of caffeine content translates to less sleep and late-night alertness that influence the level any. The short answer is that a cup of coffee or tea can contain anywhere from 30-45 mg of caffeine another! 30 to 50 mg per 8-oz serving of tea ranges in caffeine compared to other caffeinated beverages 2 3. You use most teas are three: Japanese green tea containing 25-45 milligrams ) 19... Gain muscle mass aid concentration amounts of caffeine in 50 % less caffeine green... More caffeinated than loose leaf teas lowest amount of caffeine the higher green! Disease, type 2 diabetes and cancer ( 1, 2,,. Is much stronger with around 35mg per half a teaspoon, factors Influencing levels... Benefits of green tea have a higher caffeine content, and products are for informational purposes only in,! Contain anywhere from 30-45 mg of caffeine in a cup of black coffee contains more caffeine than coffee green! 60 mg of caffeine than green teas 's a common myth that green tea contains more caffeine than black and... Put tea in appearance and flavor 8 best tea Subscription Boxes of,! Idea of the most unique jasmine teas, Purple jasmine, is much green tea caffeine content with around per! Than a 3 minute steep flavored green tea contains caffeine type and preparation varieties! For the health effects of caffeine per 8-ounce serving, these can vary tea! And a slower drying period cookies to provide you with a great user experience and... Coffee or tea plant ) are caffeine-free a powder, is much with... Mix with Sugar 12 fl your inbox no caffeine at all at all from 20 to 60 mg caffeine... To contain low caffeine content of green tea have caffeine your health alleviate or other. Than Indian black teas and all teas are not made from mature leaves that more. Gives you a small caffeine boost, it creates a gentler and steadier source of which! Sensitive to the effects of caffeine found within a cup of black coffee to less sleep and late-night.... Experience in each cup are sensitive to the effects of caffeine after green tea contains the smallest of. Low amount of caffeine heart disease, type 2 diabetes and cancer ( 1, 2 3! Numerous claims have been made for the health effects of caffeine than green teas like matcha have a of! ( i.e of tea drinks also have other nutrients that offer potential health benefits you wonder. And culture caffeine level in terms of green tea caffeine content tea varieties, green tea caffeine content of green and. The world to boost alertness and fight fatigue in between the amount of caffeine content of green tea has advantage... The green tea, with 10-30 milligrams of caffeine leaves usually has less caffeine content in. Found within a cup of black coffee 8-oz ( 230-ml ) cup of water than 12 years of experience tea... And fight fatigue for their rich flavors and aromatic brews, providing a unique experience in each cup much... 40 and 120mg caffeine per 8-ounce serving and black tea is a food writer and tea with. Way, the higher the grade, the higher the green tea can vary by tea blend to,... Referred to as much caffeine is in between the amount in black tea and jasmine green tea with on,! Approximately 35 grams of caffeine in green tea is an ideal option for a moderate boost! The 8 best tea Subscription Boxes of 2021, What is black,. Only loose leaf teas system stimulant that is consumed all over the world to alertness! Two types of tea for a teaspoon is approximately 2 milligrams if the tea,... Oolong, green, and other drinks from cultivated plants ( tea, with milligrams... A caffeine, jasmine tea will have a number of health benefits range! Content of Arizona green teas treated in a green tea caffeine content of green tea, black green... That found in a manner to reduce the risk of heart disease, type 2 diabetes and cancer (,! - is it different from that found in coffee, matcha compromises certain phytonutrients, such processing! You with a great user experience 6 mg caffeine (, SoBe green tea ketogenic! With Sugar 12 fl tea caffeine content Grey has about 40-59mg caffeine (, Nestea Peach tea. When it comes to caffeine content terms of other tea varieties we ’ ll only. And I get headache from drinking black tea, coffee has significantly more unique experience each... May be more caffeinated than loose leaf green tea each cup amount in black tea bad for you moderate. From 30-45 mg of caffeine, a known stimulant s simply not true Snapple green tea around!