text: <unk>  is an antioxidant that is FDA approved for the treatment of non-hyperkeratotic actinic keratoses of the face and scalp.   Common adverse reactions include serious erythema and facial edema.
option_0: Methyl aminolevulinate
option_1: Hexaminolevulinate
option_2: D-Aminolevulinic acid
option_3: Epoetin alfa
option_4: Pyridoxal phosphate
option_5: Tetrahydrobiopterin
option_6: Toxidrome
option_7: Methaemoglobin