The Australian Institute of Sport has in fact assessed beetroot juice and has classified it as a Group A supplement, implying there is sound scientific evidence for use in specific sports situations. The A.I.S. has a very helpful 3-page information sheet online explaining the benefits of supplementing with dietary nitrate/beetroot juice (1).
It is believed over acidity may cause many health problems including arthritic pain and inflammation and even osteoporosis. As a follow on, this week I will expand on the concerns of high levels of acid in the body leading to those problems.
To kickstart your day, try a tasty alkalising juice using any of these fruits together with barley grass powder. Adding hydrolysed collagen will also be beneficial for your joint health.