Thyroid Profile
Non-returnable
Free thyroxine index; T3 uptake (THBR); thyroxine (T4)
- Preparation InstructionsIf you’re taking a supplement containing biotin (also called vitamin B7 or B8, vitamin H, or coenzyme R), commonly found in products promoting nail, skin and hair health, it is recommended that you wait at least 72 hours from your last dose before sample collection.
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Product Details
This test may not be accurate when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). Consumers should stop biotin consumption at least 72 hours prior to the collection of a sample.
