I'm in the USA. When I said regular sources I was referring to Amazon and local pharmacies. I was able to get Choline Bitartrate and Galantamine easily through Amazon, while Piracetam was not available. I did find a source that ships from North Carolina, but that was one step further than I was willing to go in terms of convenience/cost. Maybe down the line I will try it, but as it stands one supplement-assisted LD attempt a week seems alright to me.