⚡ Potassium Citrate Tablets – 1390mg with Vitamin C – 240 Vegan Tablets. ⭐ WHY CHOOSE OUR POTASSIUM CITRATE TABLETS?. ✔ High Strength — 1390mg Potassium Citrate Per Serving. 1390mg Potassium Citrate. UsingPotassium Citrate, a more bioavailable and gentler form than potassium chloride or iodide.