Vit A Palmitate
Vitamin A palmitate is a synthetic form of vitamin A, which is a fat-soluble vitamin that is important for maintaining healthy vision, immune function, and skin health. It is commonly found in animal foods and can also be taken as a dietary supplement. Vitamin A palmitate is often used in supplements, fortified foods, and cosmetic products.
Benefits of Vitamin A Palmitate
- Vision: Vitamin A is essential for healthy vision. It helps to maintain the health of the cornea, which is the outermost layer of the eye, and is important for night vision.
- Immune function: Vitamin A plays an important role in the immune system by helping to maintain the health of the skin and mucous membranes, which act as a barrier against infections.
- Skin health: Vitamin A is important for maintaining the health of the skin and is often used in cosmetic products to improve the appearance of fine lines, wrinkles, and acne.
One case study found that taking vitamin A palmitate supplements can reduce rectal symptoms caused by pelvic radiotherapy. Another study found that large supplemental doses of beta-carotene with or without retinyl palmitate have detrimental effects in current or former smokers and workers exposed to asbestos.
Recommended Dosage
The recommended daily intake of vitamin A for adults is 700-900 micrograms (mcg) of retinol activity equivalents (RAE). The safe upper limit for adults is 3,000 mcg of RAE per day. Vitamin A palmitate is often found in supplements and fortified foods, and the dosage can vary depending on the product.
Potential Side Effects
Taking high doses of vitamin A palmitate supplements can lead to toxicity, which can cause a range of symptoms including skin dryness, pruritus, peeling of palms and soles, and fingertip fissuring. Chronic retinoid toxicity can affect many organ systems, including the bones, liver, and eyes. Pregnant women should avoid taking high doses of vitamin A as it can cause birth defects.
Sources:
- https://www.rxlist.com/vitamin_a/supplements.htm
- https://www.verywellfit.com/vitamin-a-palmitate-what-you-should-know-4169623
- https://www.ncbi.nlm.nih.gov/books/NBK532916/
- https://www.rxlist.com/vitamin_a/generic-drug.htm
- https://www.drugs.com/cons/palmitate-a.html
- https://ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/
