Sometimes we all need a little help mustering up the energy we need to get through the day. Coffee always has our back, but when we need a little more we reach for things like 5 Hour Energy and Red Bull. Just how much caffeine are we really getting with these?

Caffeineinformer.com is a website that lists the caffeine content of just about every energy drink and shot there is, including different coffees. According to their chart, we might be better off just making a good ole cup of coffee the next time we need a charge.

Below I've listed the caffeine content of some of the more widely known shots and energy drinks, but you can see much more over at caffeineinformer.com.

10 Hour Energy Shot -  422 milligrams of caffeine per 1.93 fl. oz bottle.
5 Hour Energy Shot - 200 milligrams of caffeine per 2 fl. oz bottle.
5 Hour Energy Extra Strength - 230 milligrams of caffeine per 2 fl. oz can.
Red Bull - 80 milligrams of caffeine per 8.46 fl. oz can.
Red Bull Sugar Free - 80 milligrams of caffeine per 8.46 fl. oz can.
Red Bull Yellow Edition - 114 milligrams of caffeine per 12 fl. oz can.
Mega Monster Energy Drink - 240 milligrams of caffeine per 24 fl. oz can.
Monster Extra Strength - 160 milligrams of caffeine per 12 fl. oz can.
Monster Hitman Spider - 240 milligrams of caffeine per 3 fl. oz bottle.
NOS Energy Drink - 160 milligrams of caffeine per 1 fl. oz can.
ALRI Hyper Shot - 500 milligrams of caffeine per 2 fl. oz bottle.
Joker Mad Energy - 206 milligrams of caffeine per 16 fl. oz can.
Rockstar Energy Drink - 160 milligrams of caffeine per 16 fl. oz can.
Coffee (Brewed) - 136 milligrams of caffeine per 8 fl. oz cup.
Starbucks Grande Caffe Americano - 225 milligrams of caffeine per 16 fl. oz cup.
Starbucks Bottled Iced Coffee - 110 milligrams of caffeine per 11 fl. oz bottle.

For some reference, here's how much caffeine you get in some soft drinks.

Coca-Cola Classic - 34 milligrams of caffeine per 12 fl. oz can.
Diet Coke - 46 milligrams of caffeine per 12 fl. oz can.
Dr. Pepper - 41 milligrams of caffeine per 12 fl. oz can.
Diet Dr. Pepper - 41 milligrams of caffeine per 12 fl. oz can.
Mountain Dew - 54 milligrams of caffeine per 12 fl. oz can.