Title: Retinol Levels Blood Test
Headings: Retinol Levels Blood Test
Retinol Levels Blood Test
What are the other Names for this Test? (Equivalent Terms)
What is Retinol Levels Blood Test? (Background Information)
What are the Clinical Indications for performing the Retinol Levels Blood Test?
How is the Specimen Collected for Retinol Levels Blood Test?
What is the Significance of the Retinol Levels Blood Test Result?
Additional and Relevant Useful Information:
References and Information Sources used for the Article:

Content: It helps send signals to the brain for processing of visual information
Retinal can further be converted to retinoic acid (RA), a hormone. RA affects nearly all cells in the body, regulating their production of proteins needed for growth and differentiation into other cells
Retinoic acid is especially important to the growth of epithelial cells such as those in the skin and mucous membranes
The various forms of vitamin A, including retinol, are fat-soluble. This means that they are not excreted through urine like other vitamins, such as vitamins C and vitamin B complex, but are instead stored in the liver
The liver releases vitamin A bound to carrier proteins. These include prealbumin, also called transthyretin, and retinol-binding protein
Vitamin A is stored in the body and hence, it is easier to exceed healthy levels. Often times, this occurs due to supplementation with fish oil and other products. It can result in nausea and fatigue
The Retinol Levels Blood Test determines the level of retinol in blood. It is used to diagnose retinol toxicity and deficiency
What are the Clinical Indications for performing the Retinol Levels Blood Test? Following are the clinical indications for performing the Retinol Levels Blood Test: Night blindness
Rough, dry skin
Raised bumps on the back of the arms
Dry eyes
Stunted growth and development
Headache
Fatigue
Bone and joint pain
Dizziness
Drowsiness
How is the Specimen Collected for Retinol Levels Blood Test? Following is the specimen collection process for Retinol Levels Blood Test: