However, the details in the table above are useless if the manufacturer doesn't clarify how much of each herb is in the beverage. 2000) is even more difficult to determine. The amount of caffeine in kola nut and yerba mate extract (Athayde ML, et al. Reference texts list the caffeine content of guarana from 3% to more than 5%. But, even if the label states "guarana 100 mg," you still do not know how much caffeine that represents (ie., 100 mg of guarana does not yield 100 mg of caffeine). In addition, note that green tea extract, guarana, kola nut, and yerba mate extract are herbal sources of caffeine found in some brands of energy drinks. But, that ruling only applies to "foods," not dietary supplements. Caffeine is not a "nutrient" per se, so, while the presence of caffeine might be listed, the specific amount is not required on the label.unless it is added artificially. One reason why determining the amount of caffeine in energy drinks can be difficult is due to the FDA rules governing nutrition labels. However, the DSHEA law, passed in 1994, allows manufacturers to categorize their energy drinks as "dietary supplements." This excludes them from traditional FDA food regulations and, thus, opens the door for selling formulations that have whopping amounts of caffeine. The FDA limits the amount of caffeine in soft drinks to no more than 71 mg per 12 fl. In the US, soft drinks are classified as a "food" and, as such, fall under the regulation of the FDA. But, it's not always easy to determine the caffeine content of energy drinks. Generally, energy drinks contain caffeine while sports drinks don't. In my mind, there are 3 main ways to distinguish between energy drinks and true sports drinks: It was first marketed in the US starting in 1997. Energy drinks evolved more recently, with many regarding Red BullĀ® as the prototype for this group. Sports drinks were launched in the late 1960's when GatoradeĀ® was first released. "Sports" drinks are intended to improve physical performance by rehydrating the body and supplying it with the nutrients it needs, whereas, energy drinks are loaded in sugar and caffeine and, despite their name, are a poor choice for energy for most athletes. Energy drinks and sports drinks are different and should not be confused, though, admittedly, there is quite a bit of overlap. What's the difference between "energy" drinks and "sports" drinks? Aren't these just different names for the same category of beverage?
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