Duo Cytra Liquid contains Magnesium Citrate, Potassium Citrate, and Vitamin B6 as major ingredients. Key benefits/uses of Duo Cytra Liquid: Role of active ingredients: - Magnesium Citrate: Important for many systems in the body, especially the muscles and nerves, it also increases water in the intestine and acts as a laxative to treat occasional constipation - Potassium Citrate: Essential for the beating of the heart, also used to treat a kidney stone condition called renal tubular acidosis - Vitamin B6: Needed to maintain the health of nerves, skin, and red blood cells, it has been used to prevent or treat a certain nerve disorder (peripheral neuropathy). Directions for use/Dosage: - As directed by the physician Safety information: - Do not exceed the recommended dose - Read the label carefully before use - Keep out of the reach and sight of children