Just Ingredients Magnesium Complex supports hundreds of essential bodily functions, including sleep, relaxation, mood, heart health, and nervous system regulation.* It combines five bioavailable forms of magnesium, each chosen for their unique roles and benefits to promote improved absorption and effectiveness. Free from magnesium oxide—which can cause digestive discomfort—this formula is gentle on digestion and includes a broad spectrum of trace minerals sourced from the mineral-rich Irish seas through Aquamin®.*