A bit late to this discussion, but I'm not the target audience.
I suspect my biggest issue cycling is going to be the blood sugar issues which I in theory have calendared down to day X of my cycle except when it all goes haywire (14 days late and counting grr). I probably ought to work out the most transportable source of SUGAR for bikes.
I've found energy gels targeted at cyclists to work remarkably well. I pretty much always have at least two Torq energy gels on me when cycling (even on my commute). The taste of most of them isn't brilliant, so you need to experiment with findind the least unpleasant flavour for you. Personally I find the Torq Rhubarb and Custard gels the least unpalatable, but your taste buds are likely to vary.
I've found these energy gels are the fastest way of recovering from hypoglycaemia, better than any other source of sugar, and they tend to be relatively small, long lasting, and cleanish to handle. Inevitably they can leak a bit more sugar out, into your pocket, after use, so it's best not to put the empty packet anywhere that would suffer from stickyness.
Ideally you will of course avoid this by taking complex carbohydrates before you get hypo, the aforementioned cakes being a good source, but stuff like cake can be difficult to digest if you're a bit dehydrated, whereas most of the sources like energy gels are liquids (or very close), to much more easily swallowed.
mooncup?
Is that a space joke?
It might be interesting in space 
That article said "
One thing that is clear, though — we don’t talk about this stuff enough. And when we do, we all seem to learn something.", but I've never seen previously anything talking about menstruation and space flight. I have come across discussions about the use of the toilet in space, and how much money has been spent on it, and the varying mechanisms used by astronauts when undertaking spacewalks (predictably it's less pleasant for female astronauts), but I've never seen a mention of periods and space, but this must have been an issue. Of course, regardless of the chinese just launching a female astronaut, historically they are relatively uncommon, being massively outnumbered by men, so I suspect that's at least part of the reason for limited discussions of the subject.
There have been female astronauts on the ISS who've been in space for a significant time, Claudie Haigneré for 193 days, Peggy Whitson for 184 and 191 days, Tracy Dyson for 176 days, Shannon Walker for 162 days, and Catherine Coleman for 159 days. They obviously must have dealt with this in some fashion. There is a brief discussion
here, although it doesn't go into much detail or specific cases. I found one comment attributed to "NASA" that most female astronauts use oral contraceptives to suppress menstruation, but I can't find any specifics on the success, or otherwise, of that.
