Opti Mag 7 - The powerful combination of 7 magnesium salts for your health Discover the latest product from Euro Nutrador B.V. - Opti Mag 7. This unique dietary supplement contains a carefully selected blend of 7 different magnesium salts that provide you with comprehensive health support. Dive into the world of magnesium and find out how Opti Mag 7 can help you feel vital and balanced. The powerful combination of 7 magnesium salts: Opti Mag 7 contains a special blend of magnesium malate, magnesium bisglycinate, magnesium citrate, magnesium oxide, magnesium glycerophosphate, magnesium gluconate and magnesium carbonate.