Vitamin A
Retinol / Beta-carotene
Essential fat-soluble vitamin for vision (especially night vision), immune function, and cellular growth. Beta-carotene is the safer plant-source precursor with no toxicity risk.
Known Health Benefits
Active Compounds
Retinol, retinal, retinoic acid, beta-carotene
Potential Side Effects
Preformed vitamin A is toxic at high doses; teratogenic in pregnancy — use beta-carotene form
Known Drug Interactions
May interact with retinoid medications, blood thinners, and hepatotoxic drugs
Evidence Classification
Supported by randomized controlled trials (RCTs), systematic reviews, or meta-analyses published in peer-reviewed journals.
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This entry is for educational purposes only. It is not medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement regimen, especially if you take medications or have health conditions.