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.
What are aromatase inhibitors? Aromatase inhibitors (AIs) are a type of hormone. therapy used to treat some breast cancers. They. are taken in pill form and can be started after. surgery or radiation therapy. They are only given. to postmenopausal women who have a hormone. receptor-positive tumor, a tumor that needs estrogen.