Caffeine content in beverages is becoming more and more of an issue as the years go by. While some people may not even think about the amount of caffeine that is in the drinks that they consume on a daily basis, others are trying to limit their intake as much as possible. For some, they are trying to wean themselves off of caffeine altogether, while others are just trying to keep their intake to a minimum in order to avoid any negative effects that it can have on the body. For those who are looking to cut back on their intake, it can be good to know the approximate amount of caffeine that is found in the drinks that they enjoy on a regular basis. This can not only help them to get an idea of just how much caffeine that they are consuming, but it can also help them to figure out which of their favorite beverages will be the best to cut out of their diet if they find that they are consuming too much. When it comes to drinks that are sweet in nature, many people are probably wondering just how much caffeine is found in sweet tea.
Unlike soft drinks, the amount of caffeine in sweet tea is not set and can vary widely. A homemade pitcher may contain a different amount of caffeine than the same recipe in a bottled form or in a restaurant. That amount can vary based on a number of factors including the type of tea leaves, the length of time the tea is allowed to steep, and the size of the glass from which it is being served.
Short Answer
The amount of caffeine in an 8-oz (240-ml) glass of sweet tea can vary from 20 to 50 mg of caffeine for a standard, 8-oz serving of sweet tea, made with black tea and served over ice. However, if one were to make a 16-oz glass of the tea, the caffeine in the stronger tea would be 40 to 100 mg or more.
As you can probably guess, tea that has been made with decaffeinated tea leaves will contain a small amount of caffeine. Tea that is made from herbal teas will contain no caffeine at all.
Why Sweet Tea Contains Caffeine
There is a common misconception that sweet tea contains caffeine because of the sugar. As stated previously, sugar has no caffeine in it, thus the caffeine in tea comes from the tea leaves. Sweet tea is typically made with black tea, a type of tea that contains a moderate amount of caffeine. When the tea is brewed, the hot water extracts the caffeine along with the flavor and the aroma. After the tea has been made and sugar added to the tea to make it sweet, the caffeine level will remain the same because the sugar does not change the chemical make-up of the tea.
Making Traditional Sweet Tea.
Decaffeinated tea: If you use decaffeinated tea to make your sweet tea, it may contain a very small amount of caffeine, but it is virtually caffeine-free. However, there are some herbal teas that you can use to make a sweet tea, such as chamomile, hibiscus, peppermint, and rooibos tea. These teas do not contain any caffeine naturally.
How Much Caffeine Does Sweet Tea Usually Have?
Amount of Caffeine in Sweet Tea Recipes
| Serving Size | Average Caffeine |
|---|---|
| 8 oz (240 ml) | 20–50 mg |
| 12 oz (355 ml) | 30–75 mg |
| 16 oz (473 ml) | 40–100 mg |
| 20 oz (591 ml) | 50–125 mg |
Note that these are approximate levels, and can vary depending on how the tea is brewed for a particular batch. A very lightly brewed tea may contain far less caffeine than a tea that has been made with more tea bags and allowed to steep for a longer amount of time.
What Makes One Sweet Tea Stronger Than Another?
There are so many different factors to consider when determining how much caffeine is in your sweet tea that it is nearly impossible to narrow it down to just one. There are many factors that go into the brewing of tea to make sweet tea that can affect the amount of caffeine in every serving of the finished drink.
The Type of Tea Used
The main reason one sweet tea can contain more caffeine than another is the type of tea leaves that were used to make the sweet tea. As a general rule different teas have different levels of caffeine in them.
- Black tea usually contains the most caffeine.
- Green tea generally contains a moderate amount.
- White tea often contains less than black tea.
- Herbal teas naturally contain no caffeine.
Since traditional Southern sweet tea is made with black tea, which generally has the most caffeine of any type of tea, this type of sweet tea would be the strongest of all sweet teas.
Number of Tea Bags
The amount of tea in the recipe is also a crucial factor in the amount of caffeine that will be in the final pitcher of sweet tea. A recipe that uses four tea bags will contain less caffeine than a recipe that uses 8 tea bags for example.
It is common practice in restaurants and bars that serve sweet tea to make the tea stronger than normal in order to make sure that you can taste the tea after it has been mixed with large amounts of sugar and ice. This can result in the caffeine content of the tea that is served in restaurants being considerably greater than that found in tea that is made and consumed at home.
Brewing Time
Caffeine is extracted from tea leaves while the tea is being steeped in hot water. While the majority of the caffeine in a tea bag is extracted in the first few minutes, there is a small amount of caffeine that is extracted from the tea leaves after the first few minutes have passed. For this reason, longer steeping of the tea leaves in the hot water will cause a slightly increased amount of caffeine to be extracted from the tea leaves and to end up in the final pitcher of sweet tea.
Generally a tea that is brewed for two or three minutes will have less caffeine than a tea that is steeped for seven or eight minutes. In addition to extracting more caffeine the longer steeping time also can allow more flavor to be extracted from the tea leaves, and in some cases can result in the tea having a bitter taste.
Serving Size
There is a misperception that caffeine concentration in a tea drink is the most important consideration when looking at how much caffeine is in a sweet tea drink. Most people do not drink only an 8-oz. glass of tea. Therefore, the concentration of caffeine in the liquid must be multiplied by the amount of tea that the person consumes.
An 8-oz glass of sweet tea would contain about 30 mg of caffeine, but then you refill it and refill it again, until the glass is half full, then you go to a restaurant and order a 20-oz glass – then all of a sudden your intake of caffeine has increased. This is why many people do not even realize how much caffeine that they are consuming.
Homemade Sweet Tea vs Bottled Sweet Tea
Not every sweet tea has the same amount of caffeine in it. There is a difference between homemade and bottled sweet tea.
Homemade sweet tea is made with the greatest flexibility in recipe. The amount of tea, how long it is allowed to steep, and the amount of water added to the tea all can be altered in order to produce the desired amount of caffeine in homemade sweet tea. Because of the wide variability in recipe, homemade sweet tea can have a wide range of caffeine amounts.
Another category of sweet tea is that found in commercial, bottled form. Although there can be some variation from one brand to another, the level of caffeine found in most bottled, sweet teas is moderate and generally will remain relatively consistent from one bottle to another. This information is sometimes listed on the nutrition label of commercial, bottled sweet teas.
Some sweet teas served in restaurants have a lot of caffeine while others have very little. This is because some restaurants make mild tea while others make a tea that is so concentrated it has a lot of caffeine.
How Sweet Tea Compares to Other Popular Drinks
By knowing how the caffeine content in sweet tea compares with that of other popular beverages, one can tell whether or not it is a high or low amount of caffeine.
| Beverage | Average Caffeine |
|---|---|
| Sweet Tea (8 oz) | 20–50 mg |
| Green Tea | 20–45 mg |
| Black Tea | 40–70 mg |
| Cola | 22–35 mg |
| Energy Drink (8 oz) | 70–120 mg |
| Brewed Coffee (8 oz) | 95–120 mg |
| Espresso (1 shot) | 63 mg |
Comparing the amount of caffeine in Sweet Tea to other typical drinks Sweet Tea contains significantly less caffeine than coffee; however, it contains comparable to greater amounts of caffeine than do typical cola drinks.
Does Sweet Tea Affect Sleep?
It really depends on the individual as to whether or not the caffeine in sweet tea will keep you awake at night. A general guideline is the amount of tea that you drink and your sensitivity to the caffeine. If you drink a lot of sweet tea throughout the day then it is possible that it could keep you awake at night, but if you only have one glass of sweet tea after dinner then it is possible that you will be just fine and will not notice any difference.
Caffeine works by keeping the central nervous system (brain, spinal cord and nerves) in an excited state. This can enhance concentration during the day, but can interfere with sleep if consumed in the evening.
There is, however, a chance that you might be extremely sensitive to caffeine. For those people, a cup of sweet tea in the evening could cause restlessness, keep you awake at night, or make you be hyperactive. For those individuals, we would recommend a decaffeinated sweet tea for evening consumption.
Is Sweet Tea Healthy for You to Eat?
Just as with coffee, moderate amounts of caffeine in sweet tea are not typically a problem for healthy adults and generally will not exceed the daily amount recommended by health organizations. However, the amount of sugar in sweet tea is a bigger problem. Sweet tea typically is made with large amounts of added sugar. It is common for a recipe to call for several cups of sugar to make a single gallon of tea. This can add a huge amount of calories to your diet. So, be aware of the sugar and try to keep it in check.
Most recipes for sweet tea are made with a lot of sugar and when making a gallon of tea, it is not uncommon for several cups of sugar to be added. While sugar does not add to the caffeine in the tea, it does add to the calories in the tea that you are consuming.
If you’re trying to make sweet tea healthier, consider these simple adjustments:
- Brew the tea slightly lighter.
- Reduce the amount of added sugar.
- Consider lowering the amount of sugar you typically put in your sweet tea by substituting some of it with a low calorie sweetener, if you can tolerate it.
- Drink smaller servings instead of oversized glasses.
- Choose decaffeinated tea if you want less caffeine.
By making healthier changes to sweet tea and that even with reducing both the caffeine and sugar in the tea that you can still enjoy this traditional drink.
Ways to Lower the Caffeine in Sweet Tea
Here are some ways to lower the caffeine content of your sweet tea if you are concerned that you are consuming to much.
- Use decaffeinated black tea instead of regular tea.
- Mix regular and decaffeinated tea bags together.
- Brew the tea for a slightly shorter time.
- Enjoy Herbal Sweet Tea. Herbal teas, such as rooibos or chamomile teas, are all naturally caffeine-free and can be made into a sweet tea.
- Instead of drinking all day, try limiting yourself to one serving of tea per day.
These simple steps will reduce your intake of caffeine and allow you to continue to enjoy your favorite beverage.
Who Should Pay Attention to Their Caffeine Intake?
Most healthy adults can safely enjoy sweet tea as part of their daily routine. However, some individuals should monitor their caffeine intake more carefully.
This group of people includes: the highly sensitive caffeine user, the pregnant woman following her health care provider’s guidelines for caffeine consumption during pregnancy, the person with a specific heart condition, or the person who experiences symptoms of anxiety and/or insomnia. Caffeine is found in coffee, in chocolate, in energy drinks, and in most soft drinks. So, when we talk about caffeine from tea, we must also consider the total amount of caffeine that the person is getting from all of the sources of caffeine in their diet.
Remember that caffeine is found in many foods in addition to coffee, such as chocolate, energy drinks and some soft drinks. So even though sweet tea is not likely to contain as much caffeine as coffee, it is still important to keep track of your total amount of caffeine consumption from all sources.
Final Thoughts
Sweet tea typically has 20-50mg of caffeine per 8oz serving. The amount of caffeine in the sweet tea can vary depending on the type of tea, the number of tea bags, how long it was brewed, and the size of the serving. In comparison to coffee, there is typically much less caffeine found in sweet tea, but a larger glass or more servings can add up. Sweet tea made with decaffeinated tea or herbal tea is a great alternative to regular tea to consume as a sweet tea without the effects of caffeine.
Frequently Asked Questions
How does adding more sugar to sweet tea affect the caffeine in the drink?
No, the sugar in sweet tea does not contain caffeine, and thus adding more sugar to your tea will not increase the amount of caffeine in the tea.
Is sweet tea stronger than iced tea?
There is no difference in the amount of caffeine found in unsweetened iced tea and sweet tea that has been made with the same tea, number of tea bags, and brewing time. The difference is the sugar that has been added to the sweet tea.
Can children drink sweet tea?
For children and teens it is okay to on occasion consume small amounts of sweet tea, but it should not be an everyday part of their diet. Instead choose water or milk to keep them hydrated and supply them with proper nutrients.
Does pouring sweet tea over ice reduce the caffeine?
The ice in your glass of sweet tea does not remove caffeine from the tea. Instead, as the ice melts in your glass of sweet tea, it will dilute the tea. Therefore, the tea will become less concentrated as it is consumed, but the total amount of caffeine that was in the tea before it was consumed will still be in the tea after it has been consumed.
Is sweet tea made with green tea lower in caffeine?
Green tea used to make sweet tea typically contains less caffeine than black tea, so it would have less caffeine in each serving of sweet tea.
How long does the caffeine from sweet tea last?
The amount of time for which caffeine will be detected in your body can vary depending on a number of factors, including your age, your general health, and any number of medications that you may be taking. In general, the half-life of caffeine for most adults is going to be somewhere in the neighborhood of 3 to 7 hours, which is why many people avoid consuming sweet tea late in the evening. Even if the tea doesn’t affect your ability to fall asleep right away, the caffeine in the tea can cause you to have problems sleeping later on.
