From the Manufacturer What Is Potassium with Extend-Release Magnesium? Many Americans are rightly concerned about maintaining healthy blood pressure. You may be proactive in several ways, like choosing the appropriate supplements. It has been demonstrated that potassium and magnesium both effectively sustain blood pressure that is already within the normal range. Thus, we have merged them into a single formula. Do you need more help keeping your blood pressure in check? This dual-action formula may be useful. Potassium with Extend-Release Magnesium Benefits 1. Assists in maintaining blood pressure levels that are already good2. Encourages normal blood flow3. Encourages heart health Potassium with Extend-Release Magnesium 60ct