ZestHack: Measuring ketosis

I love a gadget. And I've invested in quite a few to help me measure my ketone levels.

So... (drumroll) NEW STUFF FRIDAY (working title - still) is back. And here is the second one. If you've ever been interested in some new stuff that helps you live with more energy, vitality and motivation, have a listen. If you have any thoughts on it, then message me in the usual places.