| Half-life | 0 hours |
| Clearance Route | other |
| Active Metabolites | no |
| Notes | Vitamin supplement: PK varies by formulation, dose, nutritional status, and tissue saturation; fixed PK parameters not stored. |
Severity: Severe
Adverse Effects:
Hypervitaminosis A, hepatotoxicity, headache, teratogenicity (high dose)
Contraindications:
Pregnancy (high-dose), chronic liver disease
Precautions:
Avoid high-dose long-term use; monitor for toxicity if prolonged supplementation