This from: Alan McCubbin, Next Level Nutrition

No doubt you’ve seen, heard of or tried beetroot juice as a sports supplement. It’s been around for a few years now. Mark Cavendish coined the hashtag #pissingrainbow to describe the effect it had on his urine (it goes an orangey-pink colour, which is normal and harmless).

Like many supplements before it, beetroot juice has followed the typical pattern that accompanies these types of products. In my last article, I described this pattern of research, marketing and use by athletes. Today I’ll take a closer look at beetroot juice specifically and whether or not it lives up to the claims made about it.

Source: Beetroot juice: good science or great marketing hype? – CyclingTips