Why do my shoes smell like strong ammonia after I finish a heavy sweaty workout?

Why do my shoes smell like strong ammonia after I finish a heavy sweaty workout?

1. Introduction Athletic shoes that smell strongly of ammonia following a heavy workout are indicating a specific metabolic shift where the body is actively breaking down amino acids for energy, resulting in the excretion of nitrogenous waste through the sweat. During intense physical exertion, especially when carbohydrate reserves are depleted, the body catabolizes muscle protein. … Read more