In contrast, eumelanin is a highly diverse polymer made up of units such as 5,6-dihydroxyindole (DHI) and 5,6-dihydroxyindole-2-carboxylic acid (DHICA)
For esophageal tissue repeatedly exposed to acidic gastric contents, this protective effect prevents new damage while repair processes address existing injury
However, it is uncertain which factor(s) trigger immune, inflammatory systemic response, and/or pro-oxidative state in this disease
Composed of three amino acidsglutamine, cysteine, and glycineglutathione is found in every cell of the body, where it helps maintain the balance between antioxidants and free radicals
But no formal combination safety study has been published