Generally, histidine is not considered toxic. It is a natural amino acid that is essential for human health. However, like many substances, excessive intake can potentially lead to negative effects. In the context of toxicology, the toxicity of histidine is very low, and it is generally safe at levels consumed through a typical diet. However, very high doses, especially through supplements, could potentially lead to imbalances in amino acid levels and metabolic disturbances.
