Biotechnie Marine Magnesium B6+B9 is a food supplement in capsule form containing marine magnesium, vitamin B6 and vitamin B9. It is designed to combat tiredness and fatigue, as magnesium contributes to the normal functioning of muscles and the nervous system, while vitamins B6 and B9 help to reduce tiredness and fatigue. This product is ideal for those who need a boost of energy and vitality in their daily lives.