Educational information, not medical advice — ask your doctor or midwife.
Track Vitamin A (90% Beta-Carotene / 10% Acetate Blend) with reminders and see your options for Eye Health in the app.
Vitamin A is a fat-soluble vitamin that comes in two main forms: preformed vitamin A (retinol and its esters) found ready-to-use in animal products, and provitamin A carotenoids (like beta-carotene) found in colorful plant foods that your body converts as needed. It's stored in the liver and released gradually, which means it can accumulate if you take too much in supplement form. It plays a foundational role in keeping your eyes, immune system, and skin working properly.
Vitamin A works by binding to receptors in cells that control which genes get switched on or off — essentially acting as a master regulator for growth, development, and immune response. In the eyes, it forms a light-sensing pigment called rhodopsin that lets you see in low light. In the skin and immune system, it keeps surface cells healthy and helps your body churn out white blood cells that fight infection.
Preformed vitamin A supplements (retinol, retinyl palmitate) are highly absorbable but carry a toxicity risk at high doses. Beta-carotene supplements are gentler — they convert slowly and don't cause toxicity, though they can turn skin slightly orange at very high intakes. Topical retinol and retinoic acid (prescription) are used directly on skin for acne and anti-aging. Cod liver oil is a traditional whole-food source with naturally occurring vitamin A plus vitamin D.
Vitamin A was the first fat-soluble vitamin identified, formally isolated in 1913 by researchers McCollum and Davis. But humans have known for over 3,000 years that eating liver could cure night blindness — ancient Egyptian physicians prescribed liver as a remedy. Cod liver oil became a staple in 19th-century European medicine for preventing rickets and boosting children's immunity. Its role in child survival in low-income countries has made vitamin A supplementation one of the most cost-effective public health interventions ever documented.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
Reviewed by the HealisticMD editorial team How we grade evidence →
Each grade below is for that condition specifically, not for Vitamin A (90% Beta-Carotene / 10% Acetate Blend) in general.
The 9 options with the best evidence for Eye Health, each with its grade and who should avoid it. One email.
Occasional evidence updates after that — unsubscribe any time.