See here: https://medium.com/@ravenstine/the-curious-history-of-novamin-toothpaste-620c6bef8881 https://medium.com/@ravenstine/the-curious-history-of-novami...

See here: https://medium.com/@ravenstine/the-curious-history-of-novamin-toothpaste-620c6bef8881 https://medium.com/@ravenstine/the-curious-history-of-novami... Basically FDA won't let them label it without studies. Other countries consider toothpaste a cosmetic and don't requite studies.