![]() Though it’s commonly recommended that you consume at least 8 cups (64 ounces or 1.9 liters) of water per day, there is no universal recommendation regarding how much water you should consume per day. Therefore, caffeinated waters can be consumed safely, assuming your total daily caffeine intake does not exceed 400 mg. Research suggests that healthy adults can safely consume moderate amounts of caffeine. In fact, one study showed that decaffeinated coffee exerted health benefits similar to those of caffeinated varieties ( 22, 23). However, these effects may be related to other beneficial compounds - such as antioxidants - in coffee rather than caffeine. What’s more, observational studies have linked coffee intake to a reduced risk of developing heart disease, diabetes, and certain cancers ( 19, 20, 21). There are several potential health benefits of consuming caffeine in appropriate amounts.įor example, the beneficial effects of caffeine on exercise performance, mental function, and pain relief are well documented ( 15, 16, 17, 18). If you’re an otherwise healthy adult, caffeinated waters are likely safe and can promote hydration - as long as you don’t exceed 400 mg of caffeine per day from all sources, including coffee, tea, soft drinks, energy drinks, and dietary supplements. People with severe anxiety, gastroesophageal reflux disease (GERD), or conditions affecting the liver or kidneys may also want to limit their caffeine intake ( 1). Studies suggest that healthy adults can safely consume doses of up to 400 mg per day ( 11, 12, 13).įor pregnant women, no more than 200 mg of caffeine per day is recommended to avoid adverse effects, with some studies suggesting not to exceed 300 mg per day ( 13, 14). However, these effects are only observed when the compound is consumed in high doses or by non-habitual consumers ( 8, 9, 10). These products are available in flavored and unflavored varieties and can contain up to 125 mg of caffeine per bottle or can.Ĭaffeine has long been the subject of controversy, as it may stimulate a modest increase in blood pressure, promote dehydration, and cause various side effects, including restlessness, nervousness, and irritability ( 1, 8, 9). summaryĬaffeinated water is water that has been fortified with caffeine. If you regularly drink specialty coffee drinks, sweetened teas, and sugar-containing energy and soft drinks, caffeinated waters can be a good alternative to help reduce your intake of added sugars and extra calories while still getting your energy fix. Soft drink: 34 mg per 1 can (12 ounces or 355 ml).Green tea: 29 mg per 1 cup (8 ounces or 240 ml). ![]() Standard energy drink: 72 mg per 1 cup (8 ounces or 240 ml).Coffee: 96 mg per 1 cup (8 ounces or 240 ml).Plus, they’re sold in cans or bottles that range in size from 12–16.9 ounces (355–500 ml).įor reference, here is a list of popular caffeine-containing beverages and their caffeine content ( 4, 5, 6, 7): Thus, if you’re avoiding these ingredients, make sure to read the label.Ĭaffeinated water products range in caffeine content, containing 34–125 mg. That said, some products contain preservatives like potassium sorbate and sodium benzoate. Most versions are colorless and free of artificial ingredients, sugar, and calories. It’s also produced synthetically from urea and chloroacetic acid, both of which have the same stimulating effects on your body ( 2, 3).Ĭaffeinated water products may contain synthetic or natural caffeine and are available with or without flavors. It’s found naturally in a variety of plants, including coffee beans, tea leaves, cocoa beans, kola nuts, yerba mate leaves, and guarana berries. Water doesn’t naturally contain caffeine, so manufacturers add it.Ĭaffeine is a compound that stimulates your body’s central nervous system by increasing brain activity, thereby reducing fatigue and increasing concentration and alertness ( 1). As the name implies, caffeinated water is water that contains caffeine.
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