With two of the world’s favorite caffeine-packing beverages in the ring, this battle might seem like anybody’s call. But when it comes to choosing the better early morning brew, does coffee or green tea deserve the Greatist crown?
While coffee may win a few more popularity points over its leafy green competitor — at least in the West — current research points to no clear-cut healthier choice. Since a significant body of research comes from population surveys as well as animal and in vitro studies, experts are hesitant to steer caffeine lovers in any one direction without more clinical trialsTea or coffee? A case study on evidence for dietary advice.Binns, CW., Lee, AH., Fraser, ML. School of Public Health, Curtin University of Technology, Perth, WA. Public Health Nutrition 2008 Nov; 11(11): 1132-41..
Studies do, however, deem both beverages 100 percent safe, as long as they’re consumed in moderation. Too much caffeine can lead to side effects including insomnia and upset stomach, so those with sleep or anxiety disorders and digestive problems might consider steering clear. For everyone else, three Venti Frappuchinos may be overdoing it, so catch up on safe caffeine intake (around 400mg per day for men, 300mg for women, and just 45mg for kids under 6) before pulling that all-nighterBeverage caffeine intake in US consumers and subpopulations of interest: estimates from the Share of Intake Panel survey. Knight, CA., Knight, I., Mitchell, DC, et al. Knight International, Chicago, IL. Food and Chemical Toxicology 2004 Dec; 42(12): 1923-30.. Green tea, specifically, also contains small amounts of vitamin K, which can make anticoagulant drugs less effective. Among coffee’s potential cons are decreased iron and calcium absorption and possible blood pressure spikes among infrequent drinkers.
And while the latest bottled and canned varieties of both drinks are enticing on-the-go, be sure to check the nutrition facts for added sugar, corn syrup, and fat.
Which buzz-worthy beverage gets your vote? Let us know in the comments below!