According to Gnosis, vitaMK7®, vitamin K2 as MK7, is the only natural-derived vitamin K2 from Bacillus subtilis natto, produced by Gnosis proprietary patented biofermentation process, chemicals and solvents free. vitaMK7® is the highest pure natural vitamin K2 as MK7 and the most stable form in the market.
https://www.youtube.com/watch?v=71DYe7BHAgI&feature=em-subs_digest
