Vitamin A (Retinol) - Benefits, Deficiency Symptoms And Food Sources
Other names :: beta-carotene, retinol, antiophthalmic
Vitamin A famed vision-enhancing nutrient was isolated in 1930, the first fat-soluble vitamin to be discovered. The body acquires some of its vitamin A through animal fats or vegetable sources. he animal form is divided between retinol and dehydroretinol whereas the vegetable carotene can be split into four very potent groups - alpha-carotene, beta-carotene, gamma-carotene and crypto-carotene. With enough beta-carotene available in the body, the body can manufacture its own vitamin A.
Actions and benefits of vitamin A
Recommended dosage of vitamin A
Deficiency symptoms of Vitamin A
When more may be required
More of this vitamin is required when you consume alcohol, on a low-fat diet, or a diet high in polyunsaturated fatty acids, if you smoke or live in a polluted area. It may also be indicated if you suffer from diabetes or have an under-active thyroid gland. Be careful of vitamin A in pregnancy.
Best food sources of vitamin A
How to use vitamin A
Liquid: the best form due to its high bio availability and fast absorption. Always choose liquid as your first choice when supplementing your diet.
Heat and/or moisture may alter the vitamin. Refrigeration is recommended.
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