Vitamin A

Your Professional Vitamin A Supplier

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What is Vitamin A

Vitamin A (retinol, retinoic acid) is a nutrient important to vision, growth, cell division, reproduction and immunity. Vitamin A also has antioxidant properties. Antioxidants are substances that might protect your cells against the effects of free radicals — molecules produced when your body breaks down food or is exposed to tobacco smoke and radiation. Free radicals might play a role in heart disease, cancer and other diseases.Vitamin A is found in many foods, such as spinach, dairy products and liver. Other sources are foods rich in beta-carotene, such as green leafy vegetables, carrots and cantaloupe. Your body converts beta-carotene into vitamin A.

Benefits of Vitamin A

Maintains healthy vision

One of vitamin A's most important roles is to preserve and maintain your vision. It helps change the light that hits your eye into an electrical signal that can be sent to your brain.Your body also uses vitamin A to make pigments for your retinas to work well, and moisture for your corneas.

Aids immune system function

Vitamin A strengthens your immune system by supporting white blood cells and the mucus membranes in your lungs, intestines and urinary tract. This helps you ward off infection and toxins (also called free radicals) that cause inflammation and disease.

Reduces your cancer risk

Vitamin A plays a key role in the healthy growth and development of your cells. But no one knows for sure if it also helps lower your risk of developing cancer.Some studies suggest that consuming higher amounts of beta-carotene or vitamin A from plant foods may protect against certain types of cancer, such as non-Hodgkin lymphoma.

Keeps your skin clear

Many people claim vitamin A is an effective treatment for acne and age-related skin changes, including wrinkles and age spots. But it's important to use vitamin A for skin health with care, whether you add vitamin A-rich foods to your diet or use vitamin A-based skin treatments like pills or creams.

Application of Vitamin A

01/

In Food
Vitamin A can be used as nutrition supplements in food.

02/

In Beverage
Vitamin A can be used as nutrition supplements in beverage.

03/

In Pharmaceutical
Vitamin A can be used as Nutritional therapy in Pharmaceutical in treatment of vitamin A deficiency and ulcers, warts, benign breast tumors.

04/

In Health and Personal care
Vitamin A is used as Skin-Conditioning Agent-Miscellaneous; SKIN CONDITIONING in cosmetics.

05/

In Agriculture/Animal Feed/Poultry
Vitamin A can be used as nutritional supplement in Agriculture/Animal Feed/Poultry feed.

06/

In Other Industries
Vitamin A is used in various industries.

Process of Vitamin A

Roche synthesis process (C14 + C6 route)
In Roche synthesis process, β-ionone (C14) and 3-methyl-2-penten-4-yn-1-ol (C6 alcohol) are used as starting materials, so it is also called C14 + C6 route.

BASF synthesis process (C15 + C5)
A typical feature of this process is C15 + C5 route involving a Witting reaction.10. β-Ionone reacts with acetylene to form ethynyl-β-ionol, followed by partial hydrogenation to obtain vinyl-β-ionol. Alternatively, ethynyl-β-ionol could be obtained by direct reaction of β-ionone with a vinyl Grignard.

Rhône-Poulenc route (C15 + C5) to vitamin A acetate
Rhône-Poulenc developed another C15 + C5 route using sulfone as an intermediate. Figure 4.11 represents the reaction process for vitamin A acetate by Rhône-Poulenc synthesis (C15 + C5).

Wittig–Horner route (C15 + C5) to vitamin A acetate
The C14 aldehyde was prepared by that same method as Roche route, and reacted with tetraethyl methylene disphosphonate in strong alkaline environment to obtain a diethyl phosphonate of 3-methyl-5-(2,6,6-trimethyl-1-cyclohexene)-1,4-pentadiene (C15). Diethyl C15 phosphonate reacted with C5 aldehyde in a strongly alkaline environment to give vitamin A acetate.

Vitamin A Safety Information

If using vitamin A products, you MUST use a high quality sunscreen daily.

If you are currently on a Pharmaceautical Grade oral vitamin A we do not recommend that you use any topical forms of vitamin A.

If you are pregnant or breastfeeding it is best to avoid using vitamin A during this time.

Please notify your Dermal Clinician of any changes to your health, medications, supplements or home skin care regime.

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FAQ

Q: What does vitamin A do for your body?

A: Vitamin A (retinol, retinoic acid) is a nutrient important to vision, growth, cell division, reproduction and immunity. Vitamin A also has antioxidant properties.

Q: Which foods are vitamin A?

A: You can also get vitamin A by including good sources of beta-carotene in your diet, as the body can convert this into retinol. The main food sources of beta-carotene are: yellow, red and green (leafy) vegetables, such as spinach, carrots, sweet potatoes and red peppers. yellow fruit, such as mango, papaya and apricots.

Q: How to know vitamin A deficiency?

A: Symptoms
Difficulty seeing in the dark or night blindness (Nyctalopia).
Dry corneas or the whites of the eyes (Xerophthalmia)
Bitot spots in the whites of the eye.
Sores in the corneas (Corneal ulcers)
Cloudy corneas (Keratomalacia) If left untreated, these symptoms can lead to blindness.

Q: Is it okay to take vitamin A every day?

A: When taken by mouth: Vitamin A is likely safe when taken in amounts less than 10,000 units (3,000 mcg) daily. Vitamin A is available in two forms: pre-formed vitamin A (retinol or retinyl ester) and provitamin A (carotenoids). The maximum daily dose relates to only pre-formed vitamin A.

Q: Is too much vitamin A bad for you?

A: Prolonged and excessive vitamin A intake can result in significant organ damage, including the liver, bones, central nervous system, and skin. Liver fibrosis or cirrhosis may be irreversible. Bone abnormalities, such as reduced bone density or fractures, may persist even after discontinuing vitamin A intake.

Q: What happens if you don't get enough vitamin A?

A: Vitamin A deficiency is when your body lacks the amount of vitamin A it needs to function properly. Vitamin A deficiency can cause vision loss and blindness. It can also lead to complications with your skin, heart, lungs, tissues and immune system.

Q: What vitamins should not be taken daily?

A: Taking higher than recommended doses of some vitamins may cause health problems. Such as: Vitamins A, D, E and K are fat soluble, which means they are stored in the body and if taken in high doses can be toxic. High doses of some water-soluble vitamins, such as vitamin B6, can also become toxic.

Q: What vitamin deficiency causes blurry vision?

A: Vitamin B1 deficiency will cause toxic optic neuropathy and can cause blurred vision. Vitamin B2, B3 and B6 deficiencies will lead to eye infections and dry eyes. Vitamin B12 deficiency may cause retinal bleeding and nerve tissue damage and can lead to permanent vision loss.

Q: Does vitamin A make you sleepy?

A: Consuming very large amounts of vitamin A all at once can cause drowsiness, irritability, headache, nausea, and vomiting within hours, sometimes followed by peeling of the skin. Pressure within the skull is increased, particularly in children, and vomiting occurs.

Q: What happens if your vitamin A is low?

A: Too little vitamin A can lead to inflamed skin, night blindness, infertility, delayed growth and respiratory infections. People with wounds and acne may have lower blood levels of vitamin A and benefit from treatment with higher doses of the vitamin.

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