Biotin (Vitamin B7) Test
Use
This test helps determine the level of biotin (vitamin B7) in the blood, a water‑soluble vitamin involved in the metabolism of proteins, carbohydrates, and fats and in cellular signaling and gene regulation. Identifying biotin deficiency is important for assessing nutrient status and guiding supplementation or dietary interventions.
Special Instructions
Certain supplements and medications can interfere with test results; discuss with your healthcare provider whether to stop supplements before collection. No doctor’s visit is required to purchase through QuestHealth, but an independent healthcare provider is involved; register and schedule at a Quest location for sample collection.
Limitations
Not provided.
Methodology
Not provided.
Biomarkers
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
Not provided
Minimum Volume
Not provided
Patient Preparation
Certain supplements and medications can interfere with your test results; talk to your healthcare provider before collection to determine if you should stop taking them and for how long.
Other tests from different labs that may be relevant