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Nutritional Status - Vitamin D Serum

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$45.00

25-Hydroxyvitamin D, known for its role in bone health and calcium absorption, also appears to affect immune function, neurodegenerative and cardiovascular issues, and other conditions. Vitamin D occurs in two forms—D3 is obtained from animal diet sources and through sun exposure, and D2 is obtained through vegetable diet sources. Both forms of the vitamin are used to fortify various foods and in supplements. Doctor's Data uses the gold standard LC/MS QQQ method to measure Vitamin D2, D3 and total Vitamin D.

Turnaround Time

3 to 5 days

Sku : A2823
Brand : Doctors Data

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This test is useful for

  • Alzheimer's Disease
  • Bone Health
  • Calcium Absorption
  • Cardiovascular Disease
  • Depression
  • Immune Function
  • Infections
  • Multiple Sclerosis
  • Neurocognitive Dysfunction
  • Preeclampsia
  • Rheumatoid Arthritis
  • Type 2 Diabetes

For More Details:

Nutritional Status

Proper nutritional intake is essential to overall health and provides the raw materials the body needs to function in the form of carbohydrates, proteins, fats, vitamins and minerals. Nutritional testing from Doctor's Data can give you a clear view into nutritional status. Carbohydrates are broken down into sugars and used as energy. Protein is broken down into individual amino acids and used to build and repair muscles, the immune and nervous systems, hormones and organs. The body requires fats which function within the membranes that surround all the body’s cells and are needed to signal hormones. Vitamins and minerals typically function as co-enzymes and have protective anti-inflammatory and antioxidant effects.

The typical Western diet contains too many carbohydrates and saturated fats, and is often low in nutrients such as vitamins and minerals. Poor dietary choices can cause nutritional deficiencies and imbalances which may require dietary changes or nutritional supplementation.

Doctor's Data offers a wide range of nutritional testing profiles used to assess nutritional status and to monitor patient response to nutritional interventions.

Detailed Information

25-Hydroxyvitamin D is the major circulating form of vitamin D. It occurs in two forms: vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol), and is the precursor of the active form (1,25-dihydroxyvitamin D).

Because of its long half-life, measurement of total 25-Hydroxyvitamin D (D2 plus D3) provides the best assessment of patient vitamin D status and includes vitamin D derived from diet, supplements and exposure to UVB light, such as sunlight. Vitamin D is best known for its role in calcium and bone metabolism, but emerging research indicates that low levels of vitamin D may be associated with increased risk of some cancers, type 2 diabetes, multiple sclerosis, cardiovascular disease, rheumatoid arthritis, depression, Alzheimer's disease, infections, preeclampsia, cesarean deliveries and neurocognitive dysfunction.

Vitamin D regulates the expression of a vast array of genes in tissues including immune cells, the vasculature, muscle and reproductive organs. Vitamin D insufficiency is common and deficiency can have adverse health effects at any stage of life.

Many testing methods do not differentiate between the two forms of vitamin D, and only total concentrations are reported. This LC/MS QQQ method is sensitive and specific for both vitamin D2 and D3, and each form is measured and reported independently.

Analytes Tested

  • 25-Hydroxyvitamin D Total, serum
  • 25-Hydroxyvitamin D2, serum
  • 25-Hydroxyvitamin D3, serum

Before You Start:

Please read all of the directions, and familiarize yourself with the collection procedures.

Fasting is not required for these tests. It is generally recommended to refrain from taking non-essential medications and dietary supplements (especially biotin) for 72 hours prior to the specimen collection unless otherwise instructed by your physician. Never discontinue prescription medications without first consulting your physician.

Celiac/Gluten testing should not be performed on patients currently on a gluten-free diet, unless used to monitor long-term compliance, or as otherwise directed by your physician.

More Instructions: