Why was Moa's preservative upgraded? Administrator April 04, 2018 23:16 Updated Follow NATRIIX™ replaces Moa's former preservative as a more natural alternative. Related articles What is NATRIIX™ made of? How are the mushrooms in Moa grown and harvested? Is NATRIIX™ effective? How long does Moa remain fresh after opening? How many Go Pouches are in one box? Comments 0 comments Please sign in to leave a comment.