A passionate Company - Mast-Jägermeister SE Mast-Jägermeister SE’s most famous product is, of course, the herbal liqueur Jägermeister. The iconic blend of 56 herbs, blossoms, roots and fruits from around the … Mast-Jägermeister SE’s most famous product is, of course, the herbal liqueur Jägermeister. The iconic blend of 56 herbs, blossoms, roots and fruits from around the …