DOPING | 22/12/2025 | 09:38
by Guido La Marca
It comes from the sea and is really ugly. It’s called Arenicola marina, 15 centimeters of earthworm, but it boasts immense powers. The substance that is obtained from it it has been renamed M101 and carries 156 oxygen molecules compared to just four of human hemoglobin and is efficient not only at the 37 degrees of our body but also when it is much hotter or much colder. He writes about it this morning on Corriere della Sera Marco Bonarrigo, a very explanatory, and in some ways disturbing, article. It is the new frontier of doping in sport and what is striking is that at the moment it is absolutely untraceable.
They are working on golden hamsters, not so coincidentally renamed Lance A: subjected to injections of a frozen hemoglobin juice, extracted from a small worm widespread on the coasts of Brittany called Arenicola Marina, miraculous effects are achieved. What actually happens to the various Lance hamsters? Bonarrigo writes: «after a cycle of M101 injections? Their blood’s capacity to carry oxygen multiplies tenfoldhypoxia in poorly vascularized tissues suddenly decreases, power and resistance increase much more than when our little mice were given Epo injections or blood transfusions: able-bodied mice transformed into marathon runners, climbers, triathletes with extraordinary qualities. Side effects? Nobody».
Launched by a French laboratory three years ago as a truly revolutionary drug to replace transfusions and erythropoietins in war scenarios, in the operating room but also in the preservation of organs intended for transplantation, M101 is officially the new public enemy number one on the very black list of doping products (there was a lot of talk about this at the last Wada conference in Busan, South Korea).
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