It sounds like the same line people use when they fail their drug tests for opiods... "Oh, you know what it was your honor? I wasn't doing haroin! The morning of my test I hate a HUGE poppy seed muffin... Yup! That was it, so this whole thing was just a big misunderstanding!".
How many world class athletes do you know that go to a street taco vendor the night before a big race? Yup... No better fuel before a big race than El Paco's on the corner of Washington and 17th Street!
She was juicing, thought she wouldn't get caught, and then worked with her team to try and figure out WHAT else they could blame it on for an appeal.