Well upfrontpayment like others right?
Maybe it would be good for you to upload a photo of some blisters and a paper with your email-address on it.
So it would be clear that you own or have access to the products which do you want to ship and your not a scammer.
Recently we catched pharmacydropshipindia.com
They told us stories about their success and experience and after we would like to see a photo to proof something of it we never hearded anything of them.