Study Finds Energy Drinks Elevate Blood Pressure
May 15, 2012 § Leave a Comment
Those energy drinks that many drink may be doing more than boosting mental alertness. They may also be elevating blood pressure.
In a small study of 18 adults aged 20 to 35, researchers in Poland asked participants to consume one of two caffeinatted strength energy drinks: one comprised of 120 mg of caffeine while the other contained 360 mg of caffeine. (In comparison, a 8-ounce cup of coffee generally contains 100 to 200 mg of caffeine.) The researchers then took 15, 30 and 90 minute blood pressure measurements after consumption of the drink.
The researchers found that the 120 mg (less-caffeinated drink) did not significantly affect the heart rate or blood pressure when compared to the 360 mg caffeine group.
Among the participants that drank the higher 360 mg caffeine energy drink, researchers noted:
- A nine point average increase in both the systolic (top number) and diastolic (bottom number) blood pressure
- A five point average increase in heart rate
- Anxiety, insomnia, irregular and racing heartbeats
Lead study researcher and nephrologist, Dr. Magdalena Szotowska believes it’s the combination of sucrose, taurine, and inositol that produce these negative side effects, rather than caffeine, as disclosed to Heartwire.
If you rely on energy drinks to give you an energy boost, it may be time to think about alternatives, like a cup of coffee, exercise, getting enough sleep, or a high-protein snack. Additionally, if you are already taking prescription hypertension medications and drink energy drinks, speak to your physician about these new findings.
The study was reported in the Journal of Hypertension.
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