Our 3 basic formulas are: Natural Calm (magnesium only, 615mg elemental per serving). Cal-Mag Plus (high magnesium 319mg, low calcium 118mg, potassium 171mg).CalMag (high calcium 488mg, low magnesium 244mg). Form: Natural Calm comes in a powder and is prepared as a tea (see How to Use for more info) Ingredients: Water Soluble Magnesium Citrate, and nothing else (205mg of elemental magnesium per teaspoon). Manufacturered using a proprietary process exclusive to Natural Vitality. Contains NO yeast, dairy, egg, gluten, soy, wheat, sugar, starch, preservatives, artificial colors or flavoring. Serving Size: 1-3 teaspoons (product label explains exactly how to monitor appropriate dosage). Effectiveness: What makes Natural Calm so special over other forms of magnesium supplements is that it is water soluble and assimilates instantly and thoroughly, and works even in cases of highly impaired digestion. Doctors and clinics: Natural Calm is used by over 1,000 doctors and health clinics nationwide with great success. How to Use Natural Calm Preparation: As you can read from the label, Natural Calm is made as a tea by placing the powder in hot water to dissolve. Cold water can be added at will for instant drinking. How much? It is important to understand that individual needs will vary. Some individuals will need more Natural Calm than others. We recommend that you start with 1 teaspoon daily, and increase your dose up to the point of loose stools. This will be the dose you will need to maintain for regular use.