Lose Gain Mtn Presumably, "Mtn" is maintain. Now with more modern technology you can actually remain at the same weight as when you came in. Earlier promoters of Dieting thru 'magic' have completely ignored the 'maintaining' market in search of more profitable Diet-losers. But there are people out there who just want to maybe gain a few pounds, lose a few pounds, and basically stay right where they are. Don't forget, if you choose this program, you can make $$$$. Count me in.