"Propranolol from Inderal capsules is almost completely absorbed from the gastrointestinal tract. Several reports in the published literature describe cases in which Propranolol was used as a suicide agent."
"The heart to pump blood around the body, and so reduces the heart's need for oxygen, which means it can also be used in the management of angina. Propranolol is a competitive antagonist which specifically competes with beta-adrenergic receptor stimulating agents for available beta-receptor sites."