ANAHEIM, CALIF. — Thousands of products debuted at Natural Products Expo West, held March 7-9 in Anaheim, Calif. An explosion of gluten-free and non-G.M.O. launches underscore consumer demand for such items, with a growing number of products also featuring soy-, dairy- and nut-free claims. Among top ingredients, kale, chia and quinoa pop up in new and unexpected ways, showing the staying power of the superfoods.

Click for a slideshow of new products from Expo West.