Granions Double Marine Magnesium + Bisglycinate 180 Tablets is a food supplement formulated with marine magnesium (75%) and magnesium bisglycinate (25%), to promote physical and mental energy.Magnesium bisglycinate, thanks to its better bioavailability and absorption, promotes the beneficial effects of magnesium, in particular by promoting normal energy metabolism, reducing fatigue and ensuring the normal functioning of the nervous system.gluten free, lactose free, no dyes and no preservatives.food supplements should never replace a healthy, diversified and balanced diet and a healthy lifestyle.