Doppelherz aktiv Magnesium 500 + Calcium + Kalium

Doppelherz is a long-standing German brand specializing in vitamins and health supplements. Originally founded in Essen, Germany, the brand is famous for its 'Energy Tonic' and has expanded into a wide range of mineral and vitamin products.

Today, the brand is owned and produced by Queisser Pharma, a privately held middle-sized company with deep roots in German pharmaceutical history. Most of their manufacturing remains concentrated in Germany to ensure high quality standards for the European market. The product shown combines magnesium, calcium, and potassium to support muscle and bone health, reflecting the brand's focus on functional wellness.