Vitamin A (Retinol), Serum
- Reporting Time:
- 3 Days
- Specimen Type:
- Home Collection:
- It is recommended that the person fasting for at least 10-12 hours before the test. Person is advised not to eat or drink anything except water prior to the test
To detect deficiency or toxicity of vitamin A in a person.
When there are symptoms suggestive of vitamin A deficiency or excess, or person is at risk for vitamin A deficiency.
1. What are the sources of vitamin A?
The body cannot synthesise vitamin A and must be supplied through diet. The sources of vitamin A are meat (retinol), vegetable and fruits (carotene).
2. How is vitamin A deficiency treated?
Mild to moderate deficiency of vitamin A is treated with supplements and/or with dietary alterations. Severe deficiency requires monitored therapeutic doses of vitamin A.
3. What are the symptoms of vitamin A deficiency?
Vitamin A deficiency causes impaired night vision, eye damage, and blindness in severe cases.
4. What are the symptoms of vitamin A toxicity?
Vitamin A toxicity causes vision changes, bone pains and skin changes. Chronic toxicity can cause liver damage and increased pressure on the brain.