Also, pretty much everything that is written on this topic on the internet is complete garbage and completely different from what is written in the texts, not just about alchemy but also qigong and martial arts. To see that this is true, you don't even have to know anything, just read Zhang Boduans preface to his Wuzhenpian and memorise the "Flavour" of the text, then, the same way experienced conspiracy theorists can spot a bullshit news article without even turning on their brains, you will be able to sense the difference. I recommend that you read the entire Baopuzi, some parts of it aren't particularly good arguements, but others...