NYBC has been working with this company for some time. The NYBC product that we had was from them, via the contract manufacturing of “mass quantities” through DAAIR. We had that material tested at an independent lab and it came through fine.
This link provides some additional information on the product, which is included as part of the Mac Pack. Don’t forget that if you are suffering from neuropathy, the data from Youle’s study suggest a higher dose may be necessary.