Actually, it's all the same. Drugs are mainly used to extract drugs that can continuously restore blood blue, and most people buy them in large quantities.

Dan medicine can refine instant blood-returning medicine, but it takes a long time to cool. People who love PK generally buy this medicine in large quantities. In addition, Dan medicine can also refine the blood-returning medicine of the spirit beast.

There are many people selling medicine. The key to making money is not what medicine you choose, but your efforts to grab the market.