HIGHLY EFFECTIVE POTASSIUM & VITAMIN C — look after your mind and body with Lindens Health + Nutrition! Each potent 200mg potassium tablet contains 10% NRV of potassium and 50mg Vitamin C (63% NRV). NORMAL BLOOD PRESSURE — potassium plays a critical part in the maintenance of normal blood pressure; achieved by easing the tension of the blood vessel walls and lessening the effects of sodium to help support heart health.