| Also known as |
Levothyroxine sodium |
| Blood pressure |
Can increase |
| Chemical name |
Sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate |
| Dosage (medical) |
25-300 mcg/day |
| Dosage (sports) |
Not typically used for athletic enhancement |
| Effects |
Increases metabolic rate, stimulates protein synthesis |
| Formula |
C15H10I4NNaO4 |
| Half-life |
6-7 days |
| Hepatotoxicity |
No |
| Lab Test |
Thyroid function tests (TSH, T4, T3) |
| Main action |
Hormone replacement |
| Side effects |
Heart palpitations, anxiety, sleep disturbances, weight loss |
| Storage conditions |
Store at room temperature away from light and moisture |
| Strength |
50 mcg |
| Substance class |
Thyroid hormone |
| Trade name |
Synthroid, Levoxyl, others |
| Use in sports |
Rare, primarily for weight loss in some cases |
| Water Retention |
No |
| Manufacturer |
Pharmaceutical |
