In contrast to melatonin, it knocked me out. Melatonin doesn't always help me. Valerian root made it impossible to keep my eyes open. Yes, it comes in capsule form. Check out the link below for what i ordered. The bottle said to take two capsules but I took 4.
I've taken Ambien in the past but Ambien just made me high and I would stay up and do strange things. This is way better. I took it about 1 hour before bed time and was knocked out within 30 minutes.
http://www.amazon.com/gp/product/B000293XLM?psc=1&redirect=true&ref_=oh_aui_detailpage_o04_s00