I have not had luck using homeopathic remedies for Blossom for car anxiety . She is so calm in the house but in the car still nervous,and I was wondering if anyone has used GABA, the supplement, not the drug Gabapentin, for car anxiety? How much would a 51 lb dog get and I need it to work for about 8 hours and would the dose have to be repeated? I have 400 mg capsules and thought I would try it. I have used some lavender lately, a few drops on the air vents which seems to help but I need a surefire plan for a day trip I need to take Blossom on. I have tried Gaba on myself one night and slept well but next day was groggy and unfocused but pretty relaxed all the next day. I think that when I give her Denamarin she is also calmer but not enough and can that be also given with the GABA if I decide to try the GABA? She is putting her paws up on the dashboard and probably needs to be harnessed in the back seat but do not know how this restraint would affect her anxiety either right now since I don't think she likes to be "trapped."