It only exists at the consumer level as a novelty. You can get chewable tablets labelled "mberry", places like maybe Spencer's Gifts or similar tchotchke merch

It only exists at the consumer level as a novelty. You can get chewable tablets labelled "mberry", places like maybe Spencer's Gifts or similar tchotchke merchants. They're a fun small gift but I think their use as a sweetener is limited due to the way it changes other flavours.