Some last all day, some last all day, without you knowing like for instance, if there's no crash...
If it's a Woke Up, it's okay!
But actually the truth is you have to look at how much caffeine is in the drink.
The amino acid Taurine has unhealthy effects when taken in large quantities. Woke Up! Energy Shot does not contain taurine.
We choose to avoid coffee bean or tea leaf-derived caffeine because caffeine from those sources generally come as an extract, not the way nature intended you to consume it.