Feeling old? Need an energy boost? Try Regain! Solid Snake vouches for it, so it must be good. And the lightning bolt hitting the bottle? That's just how powerful it is. Don't know what we're talking about? Better check out the videos below.

Konami has released a bunch of new ads in anticipation for the release of Metal Gear Solid 4: Guns of the Patriots. The ads promote real world items that appear in the game, and we've even heard mention of iPods! There's even an ad that supposedly promotes the Sony Ericsson W62S.

Looks like Master Chief isn't the only one who can market a drink. Also in this post is a new theatrical trailer for the game. No energy drinks in this one, but it does make us more excited to get the game already. Check them out here: