beta Carotene

**Definition:** A carotenoid that is a precursor of VITAMIN A. Beta carotene is administered to reduce the severity of photosensitivity reactions in patients with erythropoietic protoporphyria (PORPHYRIA, ERYTHROPOIETIC).

**Tree numbers:** - D02.455.326.271.665.202.123 - D02.455.426.392.368.367.379.249.050 - D02.455.849.131.123 - D23.767.261.050

**Synonyms:** - beta-Carotene - Betacarotene