She tries some of the contents

Rachel flops down on her bed and examines the tube.  Now that she is able to give it her proper attention she can see some things she can understand in and around the eastern characters that make up the vast majority of the packaging.  There's a sign warning the product is not for under 18s, well Rachel turned 18 last term, so that's ok.  There is also a diagram showing a feminine hand putting two pills in a glass of water... Phew thought Rachel, some kind of instructions!

But no real clue about what the WOW - ES pills were actually for...

Rachel was naturally shy around people but when no one was there to observe her she could be pretty curious and willing to give a lot of things a try. Not that she is full hardy, it is just to further her knowledge as much as anything.

Reaching over to grab her glass of water from the bedside, she opens the tube and ekes two of the orange pills out and into the water.

The pills fizz as soon as they hit the water and after a couple of minutes she's left with a bright orange drink smelling pretty much like effervescent vitamin C but with a hint of something else.  Rachel took vitamin C all the time at school, so a moment later the mixture is gone.  The 18 year old lays back on her bed and waits...