There are two kinds of magical potions sold in market which can supplement your HP and MP automatically. One is called Life Source for HP and the other called Magic Source for MP.
Replenish HP stock by 500,000 points.
Replenish HP stock by 1,000,000 points.
Replenish HP stock by 2,000,000 points.
Replenish MP stock by 25,000 points.
Replenish MP stock by 50,000 points.
Replenish MP stock by 100,000 points.