How often can you take caffeine pills?

For oral dosage form (tablets): For mental alertness or wakefulness: Adults and children 12 years of age and older—200 milligrams (mg) not more often than every 3 to 4 hours per day. Children younger than 12 years of age—Use is not recommended.

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Subsequently, how bad is caffeine?

Caffeine can cause insomnia, nervousness, restlessness, nausea, increased heart rate, and other side effects. Larger doses might cause headache, anxiety, and chest pain. Caffeine is likely unsafe when used in very high doses. It can cause irregular heartbeat and even death. What are the negative side effects of caffeine? What are the side effects from too much caffeine? Restlessness and shakiness. Insomnia. Headaches. Dizziness. Fast heart rate. Dehydration. Anxiety. Dependency, so you need to take more of it to get the same results.

You can also ask what is brand name of caffeine?

BRAND NAME(S): Cafcit. USES: This medication is used for the short-term treatment of a breathing problem (apnea) in premature infants. Caffeine blocks certain proteins (adenosine receptors) which lead to improved breathing in these infants. How much is 75 mg of caffeine? A single espresso and espresso-based drinks contain 75 mg, while an 8-oz cup of decaf coffee contains about 15 mg of caffeine.

Is 600 mg of caffeine too much?

Overdoing Caffeine Can Be Dangerous According to the Department of Agriculture's latest Dietary Guidelines for Americans, up to 400 mg of caffeine per day—the amount in two to four 8-ounce cups of coffee—can be part of a healthy diet for adults. The Food and Drug Administration says 600 mg per day is too much.