What are /r/No_Inner_Monologue's favorite Products & Services?

From 3.5 billion Reddit comments

Hi, my name is John Chau. I am a surgical neurophysiologist who published a book called Neuro Alchemy detailing all of the science and stories behind new neurostimulation modalities that are shown by science to help heal the brain and improve functioning. I hope you can all enjoy this read and find it stimulating! https://www.amazon.com/dp/B08CWD65TV