Tier 2 - Moderate Bioavailability
1 conversion step
Moderate bioavailability form. Reliable form that works well but requires 1-2 step conversions by the body. Good balance of cost and effectiveness.
Moderate bioavailability form. Reliable form that works well but requires 1-2 step conversions by the body. Good balance of cost and effectiveness.
Key characteristics:
retinol
Description
Retinol, a form of Vitamin A, is a vital nutrient for maintaining healthy vision, supporting immune function, and promoting skin health. It contributes to cell growth and differentiation, and plays a critical role in gene transcription. While beneficial, appropriate dosage is crucial as excessive intake can lead to toxicity. Topical use may result in skin irritation or increased photosensitivity.
Dosage Information
- Common Dosage
- 300-3000 mcg RAE (Retinol Activity Equivalents) daily, depending on age, gender, and health status.
- Recommended Range
- Oral: 5000-10000 IU daily; Topical: 0.01-1% concentration