K-Plus Renal Support Gel for cats and dogs is for pets with potassium deficiency. Active ingredients include potassium gluconate, essential fatty acids derived from salmon oil, and B vitamins to help support normal muscle function and nervous system maintenance. Recommended for pets with low potassium levels (hypokalemia) to help rebalance the levels in their blood. Potassium helps keep proper fluid balance and also supports muscles, nerves, the heart. This maple-flavored gel is highly palatable and safe to use alongside prescription drugs.