Doctors always want an updated list of everything we take, dose, and X/day, so I keep mine on Excel, and run off a copy each vist. The date is automatically updated at the top of the page. Next to the name I put the common name in parentheses—e.g. methylcobalamin (B-12). I also added an extra column for notes on why I'm taking it.

This keeps it straight for myself as well as them, and it's working beautifully. If there's still any question, I offer to send them documentation. They usually put up a hand and say, "That's OK," or "Don't bother" and that's the end of it.

Below what I'm taking I keep tables of my allergies, medical conditions, pharmacy, and PCP info.
They've all thanked me for bringing my own organized list instead of writing it out by hand on the forms they got from who-knows-where.

Doc