see above
We do not have additional information about any anti-doping investigations, and defer any further questions on the matter to USADA.
Hernaez R, Kramer JR, Khan A, et al
Braunstein S, Karpisheva K, Pola C, Goldberg J, Hochman T, Yee H, Cangiarella J, Arju R, Formenti SC, Schneider RJ
1 Histidine in Histamine Intolerance and Mast Cell Activation Syndrome Histamine is generated in the body from histidine as a metabolic product of histidine decarboxylase
Several lines of evidence suggest that manipulating ferroptosis can yield favorable outcomes: i) Iron chelators reduce iron-mediated oxidative stress and preserve mitochondrial function