Cats can eat lactobacillus. The main ingredient in lactobacillus tablets is lactobacillus, which primarily functions to improve intestinal immunity, promote the growth of beneficial bacteria, and enhance digestion. Clinically, it is mainly used to treat indigestion, enteritis, and diarrhea in children. However, some cats may experience soft stools or diarrhea after taking it, possibly due to lactic acid intolerance. It's best to give cats lactobacillus tablets specifically formulated for cats. 
Benefits of cats eating lactic acid bacteria
1. It can regulate the gut flora of cats, kill bacteria that are harmful to the human body and the toxins they produce, and cleanse the intestines.
2. It lowers cholesterol and blood pressure, enhances the cat's immunity and resistance, increases beneficial intestinal bacteria, regulates intestinal flora, protects the gastric mucosa, improves the cat's gastric motility, restores the balance of intestinal flora, promotes the absorption of substances such as protein, monosaccharides, calcium, and magnesium, and has anti-tumor and cancer-preventive effects.