Vyvanse and AdderallâA Comparison. Vyvanse and Adderall are both amphetamines, a type of stimulant medicine. They work in much the same way. They stimulate the nervous system and increase the amount of neurotransmitters such as dopamine and norepinephrine in the brain. Adderall has been around longer than Vyvanse.
Aromatase, also called estrogen synthetase or estrogen synthase, is an enzyme responsible for a key step in the biosynthesis of estrogens. It is CYP19A1, a member of the cytochrome P450 superfamily (EC 1.14.14.1), which are monooxygenases that catalyze many reactions involved in steroidogenesis.
Class: Aromatase inhibitor hormonal therapy. Aromasin and Arimidex are other aromatase inhibitors. How it works: Aromatase inhibitors lower the amount of estrogen in postmenopausal women. Uses: Femara, used to treat postmenopausal women, typically is used to: reduce the risk of early-stage, hormone-receptor-positive breast cancer coming back after surgery and other treatments.