Cupping, chiropractic spinal manipulation, beetroot juice baths, oxygen drinks, blood-letting and K-tape.
The sports world is swimming in alternative therapies which are largely uproven.
They invoke scientific-sounding terms like "energy," "metabolites" and "blood flow" to feign legitimacy.
Athletes are falling for them - desperate to get any advantage they can in their sport. Some of them were on display at the Tokyo Olympics.
Research fellow and author of the Skeptics Guide to Sports Science Nicolas Tiller spoke to Corin Dann.
