According to some experts, it has already been used since 2019 and only recently has a method been found to identify it. Among the first sports to be suspected are skiing, so much so that it was already used at the World Championships in Sweden three years ago, but there is suspicion that it was also used in cycling.
"We have been contacted by athletes, by gyms, by people who know that this molecule can be
doping, but it is quite incredible, because we say to ourselves: either they are completely stupid, or they think we are stupid," already commented Zal on Radio Canada last year.
"A well-known cyclist, with a foreign name, whose team participates in the Tour de France, contacted me because he wanted some of the product," Zal added on l'Equipe. The biologist is actively cooperating with French Agency for Public Health to increase the understanding of his work.
Researcher Marc Kluscinszyski explained almost two years ago: "We need to update the biological passport, because it deals with what happens in a red blood cell. These hemoglobins, however, provide hemoglobin, but outside the globular compartment, so blood control is completely bypassed."