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 Cancer  Holistic-online.com

Natural Remedies for Immunity

Vitamin A

Natural Sources for Vitamin A

Vitamin A is found naturally in animal sources, such as liver, fish liver oil, eggs, and fortified whole-milk products. Half a pound of calf's liver contains almost 75,000 lUs of preformed vitamin A. The following is a list of vegetarian sources of Vitamin A.

Food Source Amount
Vitamin A 
Content IU
Apricots 3 2,769
Avocado 1 1,230
Broccoli (cooked) 1 spear 2,537
Cantaloupe 1/4 4,304
Carrot (raw) 1 20,253
Carrot (cooked, sliced) 1/2 cup 19,150
Kale (cooked) 1/2 cup 4,810
Nectarine 1 1,007
Papaya 1 6,197
Spinach (cooked) 1/2 cup 7,363
Squash, winter, butternut (cooked) 1/2 cup 7,124
Sweet potato (baked) 1 24,867
Tomato (raw) 1 1,528
Turnip greens (cooked)  1/2 cup 3,943
Watermelon 1/16 slice 1,758

Dosage Recommendations

If you are prone to infections, take 10,000 IU of vitamin A daily.

During an infection, brief high doses of vitamin A-50,000 to 100,000 IU for a couple of days-can strengthen epithelial cells and resistance in both adults and children.

If you're planning to have a baby or are pregnant, don't take supplements with more than 5,000 IU of vitamin A.

Safety and Toxicity

Vitamin A toxicity generally doesn't occur unless someone consumes and stores more than l,000,000 IU in a two- to three-week period.

Sometimes, overdoses can occur when people take 50,000 to 100,000 IU daily for several months. Dosages over 10,000 IU can cause toxicity in young children. Those with any form of liver disease should not take more than 10,000 IU daily from all sources.

Symptoms of Vitamin A Toxicity include:

  • Blurred vision

  • Bone pain

  • Diarrhea

  • Dryness of the skin and mucous membranes

  • Fatigue

  • Headache

  • Liver damage and liver enlargement

  • Loss of hair

  • Nausea

  • Skin rashes

  • Small cracks and scales on the lips and at the corners of the mouth

  • Vomiting

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