One Energy Drink Can Push Teens Over Their Caffeine Limit

Your teen grabs a neon-colored can from the gas station cooler—it looks harmless, tastes like candy, maybe like Jolly Rancher or sour gummy worms. Chug. Done. What you don’t see is that single drink just delivered 2 to 3 times the daily caffeine limit recommended for teenagers, which is 100 mg. And here’s the kicker: some energy drinks tested by Consumer Reports actually contained up to 16% more caffeine than their labels claimed.

Consumer Reports tested 23 popular energy drinks and shots to see what was actually inside versus what manufacturers advertised. Most came close to their labels, but the margin of error matters when you’re talking about teenage brains and bodies that are still developing. Too much caffeine triggers real problems: insomnia, anxiety, jitters, and heart-related symptoms that shouldn’t be dismissed as no big deal.

The problem gets messier when you look at the big picture. Your kid isn’t just getting caffeine from one energy drink. They’re also consuming it in coffee, soda, and sometimes even in medications. Layer all those sources together, and a teenager can end up with more caffeine than an adult should have—what Consumer Reports calls“an additive problem.”The American Beverage Association says parents should be in the driver’s seat about what their kids drink, which is true, but parents can’t guard the cooler 24/7.

So what actually works? Check labels. Seriously. Track total caffeine from every source—not just energy drinks. Pay attention to sleep patterns, because using caffeine to fight fatigue creates a vicious cycle that’s hard to break. The bottom line is straightforward: when it comes to energy drinks and teens, even one can be too much. Teaching kids to read labels themselves is also key, because one can might be the only reminder they get that they’ve just hit their daily limit.

The industry will keep marketing these drinks with appealing flavors and cool branding. Parents and teens need to look past the packaging and understand what’s actually in the can.