Thank you. Yes, the reason I wanted to ask about your lifestyle was that your recent test places you near a very dangerous pattern called the step up pattern. Given your lifestyle, this could possibly be a result of inaccuracy by whichever lab did your latest test. Since your earlier test by ARL from half a year ago showed a more benign situation, unless your situation has changed dramatically since then, there might not be a cause for concern. Nevertheless, I would strongly recommend getting another test to be sure. Only ARL and TEI can be trusted to produce reliable test results.
In case of a true step up pattern, it is important to immediately stop pushing oneself and avoid supplements that either boost oxidation rate or lower Na/K ratio further. B vitamins, zinc and potassium would be extremely harmful in such pattern, even lethal. It's worth noting that Smith's and Charlie's suggestions are designed for people who are in slow oxidation, which admittedly is the majority of people. Yet for the minority of fast oxidizers, this advice is potentially very harmful, and I am fearfully awaiting for the day someone will die from following it.
I don't mean to scare you to death, but I sincerely wish that you will proceed with caution and wisdom.
For more info about the pattern: