1500mg Magnesium Glycinate per 2 capsule serving, providing 300mg elemental magnesium Magnesium Glycinate regulates the neurotransmitters that are involved with better quality sleep. It helps with the reduction of tiredness and fatigue. It increases energy, and supports muscle function, bone health, blood sugar, heart health, nerve function, and blood pressure. It plays role in brain function, hormone production, and mood regulation. Other benefits include improvement in metabolism, psychological state, & nerve function. CHELATED FORM FOR FAST ABSORBING: VitaBright's Magnesium Glycinate is the fastest-acting form of magnesium because it is chelated to the amino acid Glycine, greatly increasing bioavailability, and making it easier to digest. Glycine is a fundamental building block of proteins & compounds, including collagen & creatine, and plays a crucial role in transmitting neurological signals in the brain. Glycine has calming effects and stimulates the production of serotonin; the feel-good hormone. HIGH STRENGTH AND CLEAN: Our Magnesium Glycinate has no synthetic binders, no additives, no fillers, no preservatives, no bulking agents, no flow agents. Each serving of 2 high strength capsules provides 1500mg of Magnesium Glycinate providing 300mg of elemental magnesium, packed into easy to swallow capsules