NOVOS' NMN (nicotinamide mononucleotide) comes from one of the largest, most reputable and science-based manufacturers of NMN in the world. It has been tested by a 3rd party via HPLC, LC-MS, LC-MSMS, 1HNMR, 13CNMR, etc. It is >99% pure and free of heavy metals, bacteria, yeast, mold, etc. You can learn more about why NOVOS' NMN is different compared to various other brands here.
We take great pride in using high quality ingredients. Besides our valued customers, we ourselves and many of our family members take NOVOS, too.
Best regards,
The NOVOS Team