A liquid acid based on a synergistic combination of buffered organic acids and the trace elements copper and zinc in chelated form. Invicta Gut Balance is successfully used for good intestinal function and to support protein digestion in the gastrointestinal tract. The decreased pH value in the gastrointestinal tract contributes to the inhibition of potential pathogenic bacteria. This reduces the chances of diarrhea and bloat in rabbits and rodents.