Vitamin A beta carotene deficiency and supplements

Re: Vitamin A, beta carotene

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Vitamin A

Vitamin A is a fat soluble vitamin. Essential for healthy eyes and vision; growth, including bones; healthy immune system, reproductive system; cells growth.

Natural Source

liver, butter, whole milk, egg yolks, orange, yellow and dark green vegetables and fruits.

Deficiency Symptoms of Vitamin A

night blindness
xerophthalmia
dry skin
itchy skin
retadded growth
susceptible to infection

Recommended Daily Intake (RDI)

Men 2500 IU RE
Women 2500 IU
Pregnant women 2500 IU
Lactation women 1500 IU

* 1mcg RE = 3.3 International Unit (IU)

Therapeutic of Vitamin A Supplements

Treatment for eye problems
Skin disorder such as psoriasis and acne
Protect against infection
Promote recovery of infection
Protect against cancer

Best Vitamin Supplements Guide for Multi Carotene for optimal health

Condition	Suggested Dosage
Acne, eczema, psoriasis	10,000-50,000 IU
Cancer prevention	10,000-50,000 IU
Skin problems	10,000-25,000 IU
Enhancing immunity	10,000-50,000 IU
Gastrointestinal ulcers	10,000-50,000 IU
HIV/AIDS	5,000-25,000 IU
Polluted air	5,000-25,000 IU
Respiratory problems: allergies, asthma, bronchitis, emphysema, sinusitis	15,000-50,000 IU

Cautions for Vitamin A Supplements

Should not be taken together with Vitamin A derivative acne drugs or broad spectrum antibiotics

Beta Carotene

Beta-carotene is readily to be converted into Vitamin A. It is found abundantly in many foods. Beta-carotene acts as an antioxidant and helps to rotect against heart disease, cancer and eye damage.

Recommended Daily Intake (RDI) for Beta-carotene

Not available
Some experts recommend 10-30 mg a day

Therapeutic of Beta Carotene Supplements

Prevent cancer
Prevent heart disease
Boost immune system
Improve mental function

Best Vitamin Supplements Guide for Vitamin A for optimal health

Condition	Suggested Dosage
Acne, eczema, psoriasis	50,000-200,000 IU
Cancer prevention	25,000-100,000 IU
Skin problems	25,000-100,000 IU
Enhancing immunity	25,000-50,000 IU
Gastrointestinal ulcers	25,000-50,000 IU
HIV/AIDS	300,000-500,000 IU
Polluted air	25,000-50,000 IU
Respiratory problems: allergies, asthma, bronchitis, emphysema, sinusitis	100,000-200,000 IU

Cautions for Beta Carotene Supplements

large dosage increase the risk of cancer in those who drink alcohol and smoke heavily

Symptoms of Excess Intake of Beta Carotene Supplements

It is safe at high dosage
Some area of skin become orange/yellow
Possibility of menstrual abnormalities with long term excess intake

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