Looking for a caffeine energy boost besides coffee? From Japanese matcha to Brazilian guarana, we list out the best natural ...

Whether you're looking to up your caffeine intake, or avoid the canned coffee brands that contain the most, you need data.

The tropical flavor was delicious and we appreciated that ... Some of the most popular ones include caffeine, green tea extract, guarana, ginseng, and rhodiola rosea. These supplements work ...

I've ranked the Blizzards from worst to best, and my favorite flavor is still the seasonal s'mores. Dairy Queen is one of Warren Buffett's most famous businesses — he bought it in 1997 — and ...

Variety of drinks that provide an energy boost - Static Media / Shutterstock / Getty ...