Disclaimer: Due to state regulations, Defy Medical does not offer on-demand lab testing in New York, New Jersey, Pennsylvania, Rhode Island, or Massachusetts.
This test measures the level of retinol-binding protein (RBP) in your blood, which is a protein that carries vitamin A. It helps check for vitamin A deficiency or excess, and can also indicate certain kidney or liver problems. Low levels can suggest malnutrition or liver disease, while high levels might indicate kidney issues.
| Symptoms | Dry eyes, Dry skin, Poor growth, Poor night vision, Vitamin A deficiency, Weakened immunity |
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