I think this drink crosses the line from "extreme" to dangerous. I didn't go to the hospital, but the lesson I learned that night will keep me from ever touching another energy drink. As the drink wore off, it went down, but I genuinely thought I was having a heart attack.
My heart rate when the paramedics came was 136. Then my jaw felt as if it were pounding, my head started throbbing and my shoulder hurt. I have heard that a majority of heart attacks happen at night but figured it was a panic attack. I was hyperfocused for the remainder of that day and then chest pain set in.
I had previously tried one of the XDurance before and thought I was okay to have another. I had been drinking Monsters for the past 3 days and they seemed to have no effect. I would like to share my story about Rockstar XDurance. People who aren't used to larger amounts of caffeine or who are unsure of their sensitivity level to caffeine should avoid this drink. Rockstar Xdurance definitely increased my alertness, but I thought the flavor was a little off since I'm not a big blueberry drink fan. At 300mg/can, this is 140mg more than a traditional Rockstar. Not only have they upped the amino acid profile, but also, the caffeine has been increased. Vegetable juice makes it red instead of the infamous red dye. It was nice to see no artificial flavors or colors in Rockstar XDurance. It has a light flavor and is moderately sweet with a mild artificial sweetener aftertaste. A Blueberry Marathon in My MouthĪlthough XDurance is blueberry, pomegranate, and acai flavored, the dominant flavor is definitely blueberry. The following review was for the original Xdurance not the 300 mg/can version. Rockstar XDurance is the most caffeinated energy drink from Rockstar. Note: Now Xdurance also comes in a 24 fl oz can with 400 mg of caffeine per can! Be extra careful with this one. The latest version of Xdurance is Rockstar's attempt to compete with Bang Energy Drink which has exploded in popularity. They've thrown in an extra helping of branched-chain amino acids, creatine, and electrolytes, yet spared the sugar rush by only delivering 2 grams per can. However, caffeine and sugar are present in amounts known to cause a variety of adverse health effects.Rockstar XDurance Energy Drink is labeled as a performance energy drink targeted to athletes. The amounts of guarana, taurine, and ginseng found in popular energy drinks are far below the amounts expected to deliver either therapeutic benefits or adverse events. Four documented case reports of caffeine-associated deaths were found, as well as four separate cases of seizures associated with the consumption of energy drinks.
Commonly reported adverse effects seen with caffeine in the quantities present in most energy drinks are insomnia, nervousness, headache, and tachycardia. No reports were identified of negative effects associated with taurine, ginseng, and guarana used in the amounts found in most energy drinks. As much as 80 to 300 mg of caffeine and 35 grams of processed sugar per 8-ounce serving are commonly present in energy drinks such as Cocaine, Pimp Juice, Red Bull, and Spike Shooter.
Most energy drinks contain natural products such as guarana, ginseng, and taurine. Search terms included energy drink, Red Bull, caffeine, glucose, ginseng, guarana, taurine, and bitter orange. Taurine is a naturally occurring amino acid, that helps to promote metabolism along with a whole host of other benefits. Searches were conducted using Medline, IPA (International Pharmaceutical Abstracts), EMBASE, and MANTIS databases such as Natural Medicines Comprehensive Database, Natural Standard, ALTMEDEX, and AltHealthWatch and Google (range 1980 to September 2007). At 1000 mg per can, there’s actually more taurine present than caffeine in a can of Rockstar (0.4 compared to 0.04). To describe benefits and adverse effects associated with the consumption of energy drinks.
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