Salt and coffee were used to conceal positive drug tests by Russian athletes, doping investigator Richard McLaren revealed on Friday.

Former Moscow doping laboratory director Grigory Rodchenkov swapped positive urine samples with previously collected clean samples, adding salt and coffee to replicate the consistency of the original samples.

McLaren’s second report into doping in Russian sportsaid “physiologically impossible” levels of salt were found in samples provided by three medal-winning athletes at the 2014 Winter Olympics in Sochi.

“He (Rodchenkov) altered the clean A samples either by diluting with water, adding salt, sediment or Nescafe granules when needed to match the specific gravity and appearance of the dirty B samples,” McLaren said. – Agence France-Presse

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