Our Natch toothpaste tab formulas have all undergone a thorough safety assessment by alphachem a certified laboratory in Germany that evaluates their intended use with daily exposure to all individual ingredients. This ensures its safety not only to you, but also to our environment and demonstrates compliance to Regulation (EC) No. 1223/2009. In fact, nearly all of our ingredients are classified as food-grade quality. This means you could practically eat them, although we wouldn’t recommend it ;)