Ingredients:Magnesium glycinate 480mg, Pyridoxine 30mg, Vit B12 0.01mg, Folic acid 0.75mgMuscle spasm, cramps and tension, magnesium deficiency, chronic fatigue syndrome (CFS), asthma, cardiovascular health, Addison's disease, constipation, fatigue, hyperthyroidism (thyrotoxicosis), epilepsy, premenstrual tension syndrome, spasms (digestive & intestinal), spasms (nervous tics), kidney stones, calcification, spastic colon, dry eyes, glaucoma, high blood pressure (hypertension), headaches and migraines. B6, B12 and folic acid aid absorption.