In addition to the short-term negative effects of too much caffeine, regular caffeine consumption can lead to dependence, which can lead to mild withdrawal symptoms. Withdrawal symptoms begin 12-24 hours after the last dose of caffeine and can last two to nine days. These symptoms include:

Regardless of your tolerance and dependence, side effects of too much caffeine include anxiety, nervousness, insomnia, heart palpitations, muscle cramps, upset stomach, and more. Learn how much caffeine is too much and why it can be difficult to reduce your intake, along with tips for reducing your intake.

Most adults will not experience the toxic effects of caffeine if they consume less than 250 mg of caffeine per day (about 2.5 cups of coffee). If you exceed the recommended amount of 400 mg, you are more likely to experience side effects.

Caffeine has many benefits for our bodies, but too much can be harmful

According to FDA scientists, caffeine can be part of a healthy diet for most people, but too much caffeine can pose a risk to your health. "Too much" can vary from person to person based on factors such as body weight, drug intake, and personal sensitivities.

Occasional high doses of caffeine can boost your performance—but regularly exceeding the maximum recommended dose can harm your health in the long run. Also, regular and infrequent caffeine consumption can have different benefits, so depending on your fitness goals, it may make sense to use caffeine for cycling.

Coffee and tea have been linked to several health benefits, including protection against certain types of cancer, diabetes, and heart disease. Caffeine may improve cognitive function, increase athletic performance, provide an energy boost during exercise, and may even help reverse bad moods.

There is no one ideal amount of caffeine for our bodies, but moderate consumption is best

Fortunately, caffeine in safe amounts usually does not pose a health risk to the average person, but if you have a medical condition or are prone to reactions, you should reduce your intake. If an energy boost is what you really need, try eating higher-energy foods or switching to coffee alternatives.

As long as you stay within the recommended limit of 400 mg per day, you can avoid accidental caffeine overdose. Health experts say consuming more than 600 mg is too much. According to the FDA, consuming 1,200 mg of caffeine per day can have dangerous toxic effects. To that end, the FDA issued a warning to avoid certain dietary supplements that contain high concentrations of caffeine.

If you're looking to reduce the amount of caffeine you consume, it's best to do so gradually. For example, reduce your intake over several weeks and avoid limiting more than 1 caffeinated drink between consecutive days. Another option for coffee drinkers is to gradually switch to decaffeinated coffee