Vitamin A
Also known as: retinol, beta-carotene, retinoids
Effective Dosage
700-900 mcg daily
✓ What the Science Says
Vitamin A is essential for maintaining healthy vision, immune function, and skin health. It plays a crucial role in cellular communication and is vital for the growth and development of various tissues in the body.
✗ What It Doesn't Do
Vitamin A is often marketed as a miracle cure for acne or anti-aging, but while it can support skin health, it is not a standalone solution for these issues. Additionally, it does not enhance athletic performance or provide instant energy.
Evidence-Based Benefits
Vitamin A is essential for maintaining healthy vision, immune function, and skin health. It plays a crucial role in cellular communication and is vital for the growth and development of various tissues in the body.
Strong EvidenceEffective at: 700-900 mcg daily
Source: auto-research
Absorption & Bioavailability
Good - Vitamin A is well absorbed from dietary sources, especially from animal-based foods.
Red Flags to Watch For
- 🚩 High doses can be toxic, especially from supplements
- 🚩 Look out for products claiming to be 'better than food sources'
Products Containing Vitamin A
See how Vitamin A is used in these analyzed products:
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-03-07