As meditation training is a kind of learning, the concepts of neurogenesis (adding brain cells) and neuroplasticity (creating lasting changes) makes sense. Neuroscientists are not exactly supplement junkies, but they do typically recommend two things over and over:
- Omega-3 Fatty Acids
- Aerobic Exercise
It is fairly common in retreat environments for stimulants to be provided, such as:
- Tea and Coffee
Rather than, or in addition to caffeine, I recommend one of the earlier "cognitive enhancing" drugs:
The research on piracetam is somewhat inconclusive with respect to the kind of things it is often tested for, such as cognitive impairment, etc. I can only point to a small number of advanced meditators that have gone on and off the substance and noticed the difference. There are other more potent "racetams", but the original is the best studied, probably safest in that regard, and seems to work fine.
My take is that piracetam is helpful in keeping the mind aware and mindful, a literal mindfulness supplement.
It is often suggested that one start off with higher doses of piracetam, around 4.6 grams twice a day, and perhaps gradually tapering down to a maintenance dose of around 2.4 grams once a day, but you could also just start at the maintenance dose if you're more patient. Your mileage may vary. I've been satisfied with a modest 0.5 gram per day for many years now.
Even more controversial, and based on even sparser research, it might be worth mentioning perhaps even a:
- Major Psychedelic
Of course, better than any supplement would be to make sure you are:
- Regularly, repeatedly, earnestly engaging in the practice of mindfulness and letting go