Most of us go through life with only a vague idea of how much caffeine is in what we eat and drink. That coffee should wake us up; this soda is probably caffeine-free. But if you want to use caffeine effectively, you really need to know the amount in your favorite sources. You can’t properly time your caffeine consumption to maximize alertness if you don’t know exactly how much you’re consuming.
Life Hacker tells us why we should know how much caffeine is in everything we consume!
Read more fhere: https://vitals.lifehacker.com/why-you-should-know-how-much-caffeine-is-in-everything-1830022111