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We Tried It: The Best Ways to Whiten Your Teeth at Home

The FITNESS editors brush up on the newest at-home teeth whiteners. Hear what we had to say about each product, and see the proof in our before-and-after result photos.
GO SMiLE Smile Whitening System GoSmile Two-Step Smile Program

The cost: $99
Where to buy: gosmile.com
The plan: Teaming together two of their star products -- the GoSmile Smile Whitening System and the GoSmile FlashLITES -- this toolkit promises to give pearlier teeth that stay that way.