![]() Sugar substitute:The drink is sweetened with sucralose (otherwise known as Splenda©) to give it a sweet taste.This is even more likely if you already take a multivitamin that contains B vitamins (especially B3 and B6). ![]() If you experience hot or tingling skin and/or numbing sensations, you may have overdosed on B-vitamins. All of the B vitamin levels in one 5-hour energy drink are below the maximum daily intake level, but since many students who use energy drinks tend to use more than 1 in a day, you may consume more than the recommended maximum level. ![]() Extremely large amounts of B vitamins (8333% of the daily value for one B vitamin): While a few recent studies have suggested that taking a daily multivitamin (with B vitamins, vitamin C and minerals) for 30 days leads to improved concentration and alertness, large amounts of these vitamins are not required to produce an effect.While caffeine is generally safe (even when consumed daily) there is also scientific consensus that it affects your sleep pattern, and may cause you to be more anxious, especially if you already experience anxiety. Plenty of caffeine: Despite the claims on the label, some independent laboratory tests have shown that 5-hour energy contains up to 200mg of caffeine while an average cup of coffee contains just 130mg.What’s in 5-hour energy? Caffeine, B vitamins, a sugar substitute and some other stuff. ![]() Inner workings of withdrawal headachesĬaffeine has a vasoconstrictive effect, meaning it narrows blood vessels and reduces blood flow to the brain.5-hour energy, a popular energy drink you may have tried, makes claims that seem too good to be true… Get immediate energy that lasts for 5 hours, without a sugar crash afterwards and with the same amount of caffeine that is in one cup of coffee. Got a health question for What's That Rash? Shoot us a line on Instagram, or email us a voice memo. Those amounts differ depending on age, health conditions and pregnancy.īut that doesn't mean regular coffee drinking doesn't have its downsides. Unlike other addictive substances, Dr Mills says when taken in recommended amounts, caffeine is generally safe. It has even been recognised as an official diagnosis in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). In some people, it leads to impaired cognition, poor coordination, tremors and flu-like symptoms. Just three days of continuous coffee consumption is enough to give you withdrawal symptoms when you stop.Ĭaffeine withdrawal can cause more than just headaches. Not everyone gets a headache from caffeine withdrawal, but if you do it's likely to set in 12 to 24 hours after your last cup of coffee.Īnd caffeine acts fast. "And it has a well-established withdrawal syndrome, as most people who have tried to stop for a little while would know." Loading. "It is addictive," says Llew Mills, a drug and alcohol researcher at the University of Sydney. It's a painful reminder that caffeine is a drug you can become dependent on - that it doesn't just perk you up, but changes your brain in the process. If you're a regular coffee drinker, you may have experienced the dreaded caffeine withdrawal headache.
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