Theoretically it transmutes into K and a single H disappears.
You can make a nacl soln, test for na and k. Add spectrum extra and then (a couple weeks to work) measure reduced na and increade k.
Again...off the record...but easily testable
One thing which disturbs me a little on the Tanio site;
When one clicks on Test Data one gets 'Coming Soon!'
Where is their lab which is used for microbe isolation if this is the case? Their list of microbes can be easily imported from India - cheap.