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Vitamin D, 25-Hydroxy

HSA/FSA accepted HSA/FSA accepted
Vitamin D
  • Reveal why you're feeling constantly tired
  • Clarify the cause of your muscle pain
  • Enhance your mood and energy levels
  • No need to visit a doctor
  • Prescription never expires
  • All inclusive, no extra fees
  • 1-minute checkout
Lab order in a few minutes

Lab order
in a few minutes

Low prices since 2005

Low prices
since 2005

90 day money-back guarantee

90 day money-back

No waiting at the doc

No waiting
at the doctor's

Labs within 2 miles

Labs within
2 miles

Private, accurate and secure

Private, accurate
and secure

HSA/FSA accepted HSA/FSA accepted
Vitamin D
  • Reveal why you're feeling constantly tired
  • Clarify the cause of your muscle pain
  • Enhance your mood and energy levels
Includes: Vitamin D, 25-Oh, D2 Vitamin D, 25-Oh, D3 Vitamin D, 25-Oh, Total
Preparation No fasting required
Test details HSA/FSA: reimbursable Results: first results available starting the next day, complete results in 5 business days
HSA/FSA accepted HSA/FSA accepted
Vitamin D, 25-Hydroxy
  • Reveal why you're feeling constantly tired
  • Pinpoint if low Vitamin D is affecting your mood
  • Clarify the cause of your muscle weakness
Vitamin D, 25-Hydroxy
This test is also known by the following:
Cholecalciferol Metabolite
Vitamin D
Vitamin D3 Metabolite


  1. What is a Vitamin D 25-hydroxy blood test?

    A Vitamin D 25-hydroxy blood test evaluates the amount of an active form of vitamin D (Calcifediol) in your body. Vitamin D is a fat-soluble vitamin that plays an important role in building and maintaining strong bones by facilitating calcium absorption.

  2. What does a Vitamin D 25-hydroxy panel test for?

    There are many different types of problems that can be diagnosed with a vitamin D 25-hydroxy test. These can include:

    • Vitamin D deficiency
    • Rickets and osteomalacia (bone weakness)
    • Osteoporosis
    • Skeletal muscle weakness
    • Myopathy
  3. Why would a Vitamin D-25 hydroxy test be high? Why would it be low?

    The Vitamin D-25 hydroxy test determines if there are sufficient levels of Vitamin D in the blood. High levels indicate that your body produces too much vitamin D, which could be a symptom of:

    • Kidney disease
    • Hyperparathyroidism
    • Hypercalcemia

    A Vitamin D-25 hydroxy test can be low due to:

    • Lack of dietary Vitamin D
    • Inadequate sunlight exposure
    • Poor liver function
  4. Who should get this test?

    It is recommended that you take a vitamin D 25-hydroxy blood test if you are experiencing any of the following symptoms:

    • Fatigue or weakness
    • Soft bones
    • Muscle aches
    • Pain
    • Decreased appetite
    • Low blood pressure
    • Diarrhea or constipation
  5. What is the purpose of vitamin D 25-hydroxy testing?

    Vitamin D 25-hydroxy testing is used to measure the vitamin D levels in the blood. Vitamin D is important for bone health and the immune system's proper functioning.

  6. Do I need to visit a doctor?

    Nope. You don't need a doctor's visit to get a test with us.

  7. How do I get my results?

    You'll get your results via email as soon as they are available. We will notify you via SMS as well. You can also see them at any time in the future right in your dashboard where you can easily share them with your professional and compare them side by side with future tests.

  8. Does my lab prescription expire?

    We're the only lab that honors your lab order forever.

Questions about online blood testing or how to order a lab test?

Speak with our Wellness Team: (877) 283-7882
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