I'm not sure how much you would actually use on a daily basis but again I guess that's not my problem. If you're looking to buy stuff from asian markets it's definitely useful to know what products can be found there. I know PillRankings does review of medicines based on regions. For example
https://pillrankings.com/intagra-rev...lacks-reviews/ this is a review of Intagra, a sildenafil citrate drug made in India. It has reviews like this for many pills that are made in asian countries. Hopefully you can find what you're looking for here!