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From what we can gather from their website, MIB-626 is a microcrystalline polymorph of NMN. It may be more stable in the presence of water than NMN; other than, that we don't know much. What we do know is that Metro Biotech are conducting human trials and that the results are looking good
Well, according to: this article the FDA decided in Nov 2022 that NMN can no longer be lawfully marketed as a supplement: their decision was based on MIB-626, a "proprietary form of NMN", being the subject of substantial clinical investigations as a new drug by Metro International Biotech.
He is an SAB Chair and Co-Founder at Metro Biotech. See here.
We feel that Metro Biotech are conducting human research trials and they have to be highly commended for this. We fully support Metro Biotech in their research; its real research and may ultimately lead to NMN approval for a variety of medical conditions. However, we hope NMN doesn't become an exclusive product only available by prescription, or to the very wealthy.
MIB-626 NMN may be more stable in the presence of water than NMN, so how important is this? Humidity tends to increase with temperature (so warmer air tends to have more water in it). According to our supplier (the same guys that supplied NMN to David's Harvard research team), LifePowders NMN is stable and the purity changes little when:
What do you guys make of this? Will NMN be unavailable?