Diarsanyl for Dogs - 24 mL syringe Diarsanyl for Dogs oral paste is a nutritional supplement to aid in coating the intestinal mucosa. To help manage gdigestive upsets and diarrhea by combining with the mucus to adhere to intestinal mucosa for reduced irritation and fluid loss. Contains a unique component, montmorillonite (smectite clay), which has substantial capacity to adsorb and absorb toxins, bacteria, viruses, enzymes and free radicals -15 times more than kaolin. Its unique paste formula is more effective than pills or powder.