Phamacies like right aid carry them. Just got mine today. almost $14 bucks whata bitch, but I ended up with a bottle of sticks helluva lot of em. I only need like 14, after 2 weeks I'm pretty sure I would just know if I'm in or not.
You can cut them in half (lengthwise, duh) but after a while, you'll smell the ketones in your urine, and you'll just know. And you guys know that darker doesn't mean better, right?