happy duck
Crazy duck mom
OHHHHH...I thought it was a joke...ok sorry! Thanks!To flush means to go red and hot in the face. You feel warm, your face turns red. You're "flushed." The cheaper form of niacin will cause this to happen when you take it, so they've made another form of it which DOESN'T cause you to flush when you take it, and they call that Flush-Free Niacin.