how long does it take for caffeine to wear off

“Staying hydrated can ease some of the symptoms caused by an overdose and help the body efficiently eliminate it,” says Wider.Īnother option, says Warren: Mild exercise to help your body metabolise the caffeine faster.Įating foods with potassium or magnesium (like bananas) is also helpful, Warren says.

The bad news: It can take up to nine and a half hours for caffeine levels in your bloodstream to even decrease by half, says registered dietician Beth Warren, founder of Beth Warren Nutrition and author of Living a Real Life With Real Food. But just because you accidentally went overboard doesn’t mean you’re totally screwed.įirst, start drinking water. I definitely just drank way too much coffee. Read more: 4 things you should never order at a coffee shop But if your coffee of choice is a grande Vida coffee, just one of those clocks in at 310mg of caffeine. So you could drink four cups of that and be good. While everyone has a different tolerance for caffeine, you’re probably going to feel pretty crappy if you go over that 400mg mark.įYI: One cup of breakfast blend coffee has about 92mg of coffee, according to the USDA. People should limit their caffeine consumption to no more than 400mg a day, according to the USDA. But drinking or eating too much caffeine can cause you to feel hyper-alert, anxious, and, yes, jittery.

How long does it take for caffeine to wear off