| Also known as |
Levothyroxine sodium |
| Blood pressure |
Can cause an increase |
| Chemical name |
Sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate |
| Dosage (medical) |
25-200 mcg per day, depending on the condition being treated |
| Dosage (sports) |
25-50 mcg per day |
| Effects |
Increases metabolism, reduces weight, improves energy |
| Formula |
C15H10I4NNaO4 |
| Half-life |
6-7 days |
| Hepatotoxicity |
Low |
| Lab Test |
Thyroid function tests (TFTs) |
| Main action |
Hormone replacement, increases metabolic rate |
| Side effects |
Heart palpitations, anxiety, sleep disturbances, excessive sweating, heat intolerance |
| Storage conditions |
Store at room temperature, away from moisture and light |
| Substance class |
Thyroid hormone |
| Trade name |
Synthroid, Levoxyl, others |
| Use in sports |
Used for weight loss and to increase metabolism |
| Water Retention |
None |
| Manufacturer |
Pharmaceutical |