How much vivarin should i take

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Active ingredient in each tablet Caffeine mg. Purpose Alertness aid. Keep out of reach of children. Directions Adults and children 12 years of age and over: take 1 tablet not more often than every 3 to 4 hours. How cute is that? Physical energy helps you jump high, climb trees and win the race. Mental energy helps you stay awake and alert.

Vivarin is a safe caffeine solution: a quick, convenient way to stay awake, all rolled up in one little pill. Other caffeinated products rely on wacky herbs and sugar to energize you.

Vivarin has just one active ingredient, caffeine! Just take one Vivarin tablet with a sip of water, and get hours of focus and mental energy. Of course, your results may vary based on your age, weight and caffeine tolerance. Look for Vivarin near the sleep aid section — yes, you read right, sleep aid section — wherever you shop.

For occasional use only. Not a substitute for sleep. Up to mg of caffeine per day or about 2 caffeine pills is generally deemed safe for most adults.

Make sure to read the package to see how much caffeine a particular product contains, and then follow the directions. It can take about an hour for caffeine pills to be fully absorbed in the bloodstream and take full effect. Depending on body composition, it can take anywhere between 3 and 12 hours for the body to metabolize half of the caffeine present. There have been reports of individuals who felt fine 1 minute only to fall asleep at the wheel minutes later.

All in all, caffeine pills can serve as an effective way to promote wakefulness. However, students consuming these products should do their best to maintain good sleep hygiene and consult their physician if they experience excessive sleepiness.