Given that blood transfusions are in the news, with an interesting history of their use in cycling available, I thought that I’d put this out there.
The first I heard of pre-race IVs in triathlon was a decade ago. The context was their use to increase blood volume in the 80s. The timing was before an Ironman triathlon.
I’ve used sodium citrate in a pre-race drink and that’s been reported to increase blood volume. Given that there are numerous pre-race beverages that contain sodium citrate, perhaps we’re talking about a similar mechanism. However, you don’t need to travel with a doctor to drink a beverage with sodium citrate.
I’ve started hearing about pre-race IVs again, in the context of professional and elite amateur triathlon. While we might be talking about saline and vitamins, it does make one wonder what else might be in the bag and if the IV is part of a larger program.