I hope it is of equal or greater quality than what is available here in the United States, as purity of foreign drugs has been in the news here quite a bit recently. I realize that this purchase is final, and I'm taking my chances, since B12 is in such short supply here. It is vital to my wellness as a bariatric (weight loss surgery) patient.
I hope you don't take offense at this; my physician expressed concern, but I have never had any problems with any supplements I've ordered from eBay.