With today's post, I think I owe you all an apology, as it's the one I should have started with before I wrote the first post about vitamin B1. I don't know why I haven't done it before, but I'm glad it finally crossed my mind. It would be good—even recommended—to start with a note on what vitamins and minerals actually are, how we categorize them, and where they are stored in our body. So I hope you're ready; buckle up and let's go! First, let's start with vitamins. We categ