He means that because of the actions of a US organization called LegitScript, who try to make life difficult for online pharmacies selling generic drugs at much cheaper prices, some pharmacies have been stripped of their VISA and credit card merchant facilities. Even though these pharmacies are not located in the US, LegitScript is legally able to take away their credit card payment facilities. So then it makes it harder for these pharmacies to do business. LegitScript were set up to protect Western pharmaceutical company profits.
Without credit cards, you may then have to pay by direct bank transfer (which can be done online via your bank's website), Western Union (easy to do online), bitcoin, and so forth.
However, the pharmacy I use a lot,
www.buy-pharma.md, still offers credit card payment.
I keep the list of pharmacies in the first post up-to-date, so they are all functioning last time I checked. Also, most of the pharmacies in my list are not fly-by-night operators; many have been in business for over 10 years. So this is a stable set of pharmacies, not likely to disappear any time soon.
The ones I use the most myself are
www.buy-pharma.md and
www.unitedpharmacies-uk.md first and foremost; and to a lesser extent goldpharma.cn and inhousepharmacy.vu. These are all excellent pharmacies.