Not a product I have used. However, I do know that sometimes the loading dose on a calmer can make them giddier than ever initially. I think from memory the Global Herbs one does tell you on the tub that at first it can make them appear more "alert" (read: bonkers! lol).
Hopefully someone else on here will have some experience of the product you're using. Btw, is there a phone number on the product like a helpline? Or could you email them?