Magnesium Glycinate Complex 4 in 1-1866mg per Serving

What the brand says

Sold as “Magnesium Glycinate Complex 4 in 1-1866mg per Serving | Precise 404mg Elemental Magnesium dose | Added Magnesium Glycinate, Citrate, Malate & Taurate | 90 Vegan Capsules - by Prowise”