Vitamin A has many benefits and in general Vitamins are essential compounds for the health of the human body; they help it to carry out its various biological functions, along with other important elements such as carbohydrates, fats, proteins, vitamins and various chemical functions; vitamin D, for example, acts as hormones in regulating the metabolism of minerals and vitamins and acts as antioxidants, Vitamin A is a regulator of the growth of cells and tissues of the body, and plays an important role in the processes of cellular division and cellular differentiation and others. In this article we will show the benefits of vitamin A, the symptoms of its deficiency, and its sources.
Healthy benefits of vitamin A
- Promotes the growth of white blood cells, which in turn resist body infections.
- Maintains healthy eyes and safety and protects against night blindness.
- Treats eye diseases related to age, such as depression, glaucoma, etc.
- Maintains bone health. The body converts vitamin A to retinoic acid absorbed by bones.
- Strengthens the teeth, by strengthening the substance of the ivory and increasing its hardness, which is the substance of the teeth.
- Protects against kidney stones or gallbladder, due to its production of Calcium Phosphate.
- Strengthens the immune system in the body.
- Resists the proliferation of cancer cells in the body and inhibits their growth.
- Improves kidney, liver and endocrine functions.
- Treat wounds and burns, by renewing skin cells.
Benefits of vitamin A for skin
- Limits acne problems.
- Reduces wrinkles and the appearance of fine lines.
- Eliminates dark spots and skin pigmentation.
- Treats various skin disorders, such as facial acne, warts, sunburn and rosacea.
Symptoms of vitamin A deficiency
- Changes in the eyes, such as: dryness, itching, burning, inflammation of the eyelids, and various eye diseases; long-term lack of blindness, or inability to see in dim light.
- Atrophy in the tissues, obstruction in the nasal passages, sinus infection, and the middle ear.
- Exposure to problems in the pharynx, respiratory tract and lungs.
- Immune weakness in the body.
- Increase the risk of certain infections, especially in the areas of the throat, chest and abdomen. Follicular hyperkeratosis, which causes skin to dry and peel.
- Fertility problems.
- Delayed growth in children.
- Lead to dryness in the cornea and lining of the eye.
- Bitot spots, leading to metaplasia in the conjunctivitis.
- Dry lips, thick tongue
- Urinary tract, gastrointestinal tract, and respiratory tract.
Sources of Vitamin A
Vitamin A is available in many forms, and its sources can be divided into two parts:
Animal sources: Retinol, the most effective form of vitamin A, is available only from animal sources. These sources include:
- Meat of internal viscera such as liver.
- Fatty fish, such as herring, salmon, and fish oil. Butter, milk and cheese.
Plant sources: which contain other forms of vitamin A such as carotenoids and other antioxidants, which turn into retinol inside the body, an orange dye found in many vegetables and fruits, and some plant sources of vitamin A:
- Pumpkin, carrots and other orange-colored vegetables.
- sweet potato.
- Orange fruits, such as melons, papayas, and mangoes.
- Broccoli, spinach, squash, and sweet peppers.
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