WADA say that sports people are responsible for what they ingest. No. 7 and No. 8 on this list are explicit in saying that: https://www.wada-ama.org/en/questions-answers/athletes-and-medications
true. They have to play West Brom (who have already gone on their summer holidays), Chelsea, Southampton and Newcastle so they are far from guaranteed anything other than 3 easy points from those games.