Abstract
Background: The energy drink (ED) consumption rapidly increased by youngsters in recent years. It has a high concentration of sugar, caffeine, taurine and other stimulants that enhance the mental and physical activity. The aim of the current study was to evaluate the comparative effects of taurine-based energy drinks on blood glucose (BG) level and Prothrombin time (PT) among healthy male and female subjects.
 Methodology: A cross-sectional single center observational study was conducted from over a sample of 50 subjects between 18 to 25 years of age. The subjects were kept in two distinct groups as males and females and all assessments were made individually for both genders. Written informed consent was taken from each subject prior to enrolment in the study. As per the study protocol, the BG level (mg/dl) and PT (sec) were taken twice. Each subject was asked to drink 250 ml taurine based carbonated energy drink after taking the first recording of both (BG level and PT). And secondary records are taken 1 hour after the consumption of ED. The collected data was statistically analyzed using SPSS version 16.
 Results: The mean age of the study subjects was 22.34±2.3 years. It was seen that the post-test mean BG level significantly increased to 129.2±18.3 mg/dl (males) and 147.92±24.4 mg/dl (females). Moreover, PT was decreased both in males (96±45.8 sec) and females (78.6±20.2 sec) after ED consumption.
 Conclusion: ED consumption contributed to the increased BG level and increased coagulation (decreased PT) and hence indicating an increased risk of thrombosis and type 2 diabetes among persistent consumers. Further large-scale studies are required locally in order to provide sufficient evidence.
Highlights
Energy Drink (ED) consumption has rapidly gained popularity during the last few years and is being used excessively throughout the world especially by the young population[1,2,3]
It was seen that the blood glucose (BG) level was relatively high among females both before and after energy drink (ED) consumption as compared to males i.e. a mean increase of 30.6 mg/dl and 44 mg/dl in BG level after ED consumption was observed
Our findings indicated that ED consumption has significant impact on BG level and coagulation (PT)
Summary
Energy Drink (ED) consumption has rapidly gained popularity during the last few years and is being used excessively throughout the world especially by the young population[1,2,3]. Regardless of the limit acceptable per day, some EDs providing instant energy contain taurine and caffeine 10 times greater than the average daily limit to be ingested. These products are being manufactured and marketed on large-scale, there are numerous beneficial effects in association with the consumption of EDs like improvement in athletic performance, decreased weight and increased stamina. The aim of the current study was to evaluate the comparative effects of taurine-based energy drinks on blood glucose (BG) level and Prothrombin time (PT) among healthy male and female subjects. Further large-scale studies are required locally in order to provide sufficient evidence
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