If you’re a long-time fan of Shailene Woodley, chances are you’ve heard of her penchant for eating clay. Over the years, plenty of jokes have been made about the actor’s love of the earthly material.

Together, calcium hydroxyapatite and calcium bentonite clay constitute the potent synergy in the reformulated ClayBrite Toothpaste, which fortifies enamel, cleanses the mouth, and supports gum health ...