Baking soda is one of the best ways to whiten your teeth when used carefully. Please keep in mind these suggestions should be used in moderation. Excessive use of baking soda can erode your teeth’s natural enamel which can leave you prone to other issues. Here are some simple easy ways to use baking soda to whiten your teeth. Try mixing a quarter teaspoon of baking soda with a little bit of toothpaste. Brush your teeth with the gritty mix and do this at least twice a week. Instead of warm water you can make the mixture with hydrogen peroxide, lemon juice, or even white vinegar. The picture below has some suggestions you can try that we will also mention in this post.