![]() It’s important to read the label carefully so you know how much you’re taking in.įor example, a small cup of coffee from a coffee shop can have anywhere from 30-180 mg of caffeine, while energy drinks can have up to 242 mg per can or bottle. Some over-the-counter drugs like painkillers and cold remedies contain caffeine. Chocolate:Ī bar of milk chocolate has about 6 mg of caffeine, while a bar of dark chocolate can have up to 70 mg. Sodas:Ī 12 oz can of Coca Cola has 34 mg of caffeine, while a can of Mountain Dew has 54 mg. ![]() These often have high levels of caffeine, sometimes up to 500 mg per can or bottle. Tea:īlack tea typically has more caffeine than green tea, with around 35-70 mg per cup. Here’s a list of some common things that contain caffeine: Coffee:Ī cup of coffee can have anywhere from 95-200 mg of caffeine, depending on the type of bean and how it’s brewed. It’s critical to keep track of how much caffeine you’re consuming, especially if you’re pregnant or have other health issues. Caffeine is a stimulant that can be found in many energy drinks, sodas, and even some medications. You might be surprised to learn that there are a lot of things that have caffeine in them. These symptoms typically peak within one to two days and can last for up to nine days. Caffeine withdrawal symptoms can include headaches, fatigue, and difficulty Concentrating. Caffeine also increases blood flow and heart rate.Ĭaffeine withdrawal can occur if a person suddenly stops consuming caffeine after regularly consuming it. When caffeine blocks the effects of adenosine, it causes the body to become more alert. It is a drug that blocks the effects of adenosine, which is a neurotransmitter that promotes sleep. Caffeine can also be addictive, so it’s important to consume it in moderation. ![]() However, too much caffeine can lead to side effects like jitteriness, anxiety, and trouble sleeping. It can also improve mood and cognitive performance. How does caffeine affect the body? Caffeine is a stimulant, which means it can help to increase alertness and energy levels. Caffeine is a psychoactive drug and can have both positive and negative effects. The effects of caffeine can last for several hours. When caffeine blocks the action of adenosine, it causes an increase in alertness and energy.Ĭaffeine is absorbed quickly from the gut and takes effect within minutes. Caffeine works by blocking the action of adenosine, a chemical that promotes sleepiness. It is a naturally occurring substance that can also be produced synthetically. What is caffeineĬaffeine is a stimulant drug that is found in coffee, tea, soft drinks, and chocolate. Quitting caffeine suddenly can cause withdrawal symptoms because the body has become dependent on the drug. To avoid withdrawal symptoms, people who regularly drink caffeinated beverages should reduce their intake gradually over a period of days or weeks. These symptoms can start within 12 hours of stopping caffeine and can last for 2 to 9 days. Caffeine withdrawal symptoms can include headache, fatigue, drowsiness, irritability, difficulty concentrating and nausea. Caffeine withdrawal is a condition that can occur when people who regularly drink caffeine suddenly stop drinking it.
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