What form of vitamin A is best absorbed

Understanding Vitamin A

Vitamin A [https://www.sostapi.com/factory-supply-best-price-high-quality-99-vitamin-a-palmitate-powder-product/] comes in two main forms: Pre-retinoic acid (found in animal foods) and carotenoids (extracted from plants).

Pre-retinoids such as retinol, retinaldehyde, and retinoic acid are directly utilized by the body. Retinol is the most common form found in dietary supplements and animal products (such as liver, fish oil, and dairy products). It is rapidly absorbed through an active transport mechanism in the small intestine and can be absorbed up to 70-90 percent when taken with fat.

Retinaldehyde and retinoic acid have specific effects on vision and gene expression, but are found at low levels in food. Synthetic retinoids, such as retinyl palmitate and retinyl acetate, are commonly used in dietary supplements due to their stability and high bioavailability.

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When is vitamin A powder more readily absorbed by the body?

Vitamin E and selenium protect vitamin A powder [https://www.sostapi.com/factory-supply-best-price-high-quality-99-vitamin-a-palmitate-powder-product/] from oxidation and maintain its biological activity. On the contrary, excessive iron supplementation may promote oxidative degradation, thus reducing absorption.

Studies have shown that vitamin A is best absorbed when taken with a meal, especially in the evening when bile production peaks after eating. Vitamin A supplementation 30-60 minutes after a meal optimizes micelle formation.

Consumption of healthy fat foods rich in vitamin A (e.g. olive oil, avocados, nuts) can increase the absorption of vitamin A by 3-5 times.

What form of vitamin A is best absorbed?

Vitamin A is not a single molecule, but a group of health-promoting molecules that have a powerful protective effect against free radicals. In addition to supporting healthy tissue, skin, immune function, and reproduction, vitamin A is most important in protecting vision.

Vitamin A is a component of an important light-absorbing protein (rhodopsin) in the retinal receptor of the eye. The diet provides two forms of vitamin A: initial vitamin A and provitamin A. The best way to maintain vitamin A is that the initial vitamin A must be converted to the active form, such as retinol. Carotenoids (plant pigments) are pro-vitamin A nutrients, of which -carotene is the most common example; It's basically two molecules of vitamin A stuck together, so it's easily and efficiently converted to retinol.

Regardless of the original form of vitamin A, they are converted in the gut to provide retinol. The vitamin A you take, in whatever form it comes from, is a fat-soluble vitamin that is essential for eye health, organ and tissue health, immune function, skin, and health.

How can I find vitamin A raw material suppliers?

Xi 'an Sost biotech [https://www.sostapi.com/about-us/] is A manufacturer of high-quality vitamin A raw materials. With more than a decade of expertise, Sost Biotech focuses on the production of vitamin A and carotenoids and follows strict GMP, ISO and FDA standards.

Spec: Vitamin A retinol powder, vitamin A palmitic acid powder, vitamin A oil

Service: Custom formulations can be supported

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Contact Us: ericyang@xasost.com

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