| Active substance |
Metoprolol |
| Also known as |
Lopressor |
| Blood pressure |
Reduces blood pressure |
| Chemical name |
(RS)-1-(Isopropylamino)-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol |
| Dosage (medical) |
Typically 25-100 mg per day in divided doses |
| Dosage (sports) |
Not applicable as it is not typically used for performance enhancement |
| Effects |
Reduces cardiac output, controls arrhythmias, decreases blood pressure |
| Formula |
C15H25NO3 |
| Half-life |
3 to 7 hours |
| Hepatotoxicity |
Low |
| Lab Test |
Blood levels can be monitored though not routinely done |
| Main action |
Decreases heart rate and blood pressure |
| Side effects |
Dizziness, fatigue, depression, shortness of breath, cold extremities |
| Storage conditions |
Store at room temperature, away from moisture and heat |
| Strength |
100mg |
| Substance class |
Beta blocker |
| Trade name |
Lopressor, Toprol-XL |
| Use in sports |
Not commonly used, except possibly to control heart rate and anxiety in precision sports |
| Water Retention |
Low |
| Manufacturer |
AstraZeneca Pharma Ltd. |
| Packing |
10 tabs/blister |