Nervaid Paste is a nutritional supplement for horses that may aid in nerve and muscle functions. Nervaid Paste is formulated with L-Tryptophan to help reduce aggression and 'flighty' behaviour as well as providing B group vitamins and magnesium to stimulate appetite and improve muscle function which may contribute to general wellbeing. Active Constituents: Each mL contains: 300mg L-Tryptophan 100mg Thiamine HCL (Vitamin B1) 100mg Magnesium Proteinate 20mg Riboflavine (Vitamin B2) 10mg Pyridoxine HCL (Vitamin B6) Directions for use: Adult horse (500-600kg):Give 20mL daily preferably within 4 hours of travel or exercise or as directed by a veterinary surgeon. Can be given in feed or as recommended by a veterinary surgeon. SIZE: 60mL graduated plastic syringe***We regret this product cannot be shipped to Canada***