Test library
Vitamin and Nutritional Test
Vitamin and nutritional testing measures a group of vitamins and minerals in the blood to assess overall nutritional status. It can help identify deficiencies linked to diet, absorption, or increased nutritional needs.
Order Vitamin & Nutritional Testing
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Vitamin & Nutritional Testing- Typical turnaround
- 1-3 business days
- Starting price
- From $120
- Results
- Confidential, online
Quick answer
Vitamin and nutritional testing is a grouped blood panel that checks levels of several vitamins and minerals at once. It is often chosen when someone has fatigue, a restricted diet, or a condition that affects how nutrients are absorbed. The panel gives a broad snapshot of nutritional status, and a qualified healthcare provider interprets the results alongside symptoms and dietary history.
What this test measures
Vitamins and minerals are essential nutrients the body needs in small amounts to function properly. A nutritional panel groups several related tests into one order so that deficiencies or excesses can be reviewed together. The exact markers included vary by laboratory and by the reason for testing, but panels commonly cover B vitamins, vitamin D, iron status, and key minerals.
The test uses a blood sample, and some markers may require fasting or a specific collection time. Nutritional status reflects diet, absorption, underlying health conditions, and the use of supplements. Because these factors interact, a single abnormal value is usually reviewed alongside the rest of the panel rather than on its own.
People may be tested when they follow a restrictive or plant-based diet, have had bariatric surgery, or live with a condition that impairs nutrient absorption. It may also be used to investigate unexplained fatigue, hair and skin changes, or numbness and tingling. Results support a conversation with a qualified healthcare provider and are not a diagnosis by themselves.
- Vitamin B12
- Folate
- Vitamin D 25-hydroxy
- Vitamin B6
- Vitamin B1 (thiamine)
- Iron
- Ferritin
- Total iron-binding capacity (TIBC)
- Calcium
- Magnesium
- Zinc
- Copper
Why people order this test
- Investigate unexplained fatigue or weakness
- Assess nutritional status on a restricted diet
- Follow up after bariatric surgery
- Evaluate suspected vitamin or mineral deficiency
- Monitor long-term supplementation
- Investigate hair, skin, or nail changes
How to prepare
Preparation depends on which markers are included. Some nutritional tests require fasting, while others do not, so follow the specific instructions provided with the order. A blood sample is drawn from a vein.
Understanding your results
Results are usually available within one to three business days. Each marker is reported separately with its own reference range. A qualified healthcare provider reviews the full panel and explains any values that fall outside the expected range.
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Frequently Asked Questions
What does a vitamin and nutritional panel check?
It measures several vitamins and minerals in one blood sample, typically including B vitamins, vitamin D, iron status, calcium, magnesium, and other key nutrients.
Do I need to fast?
It depends on the markers included. Some require fasting and others do not, so follow the instructions supplied with your order.
Who should consider this testing?
It may be useful for people with restrictive diets, absorption problems, bariatric surgery, or unexplained symptoms such as fatigue or tingling.
How long do results take?
Results are generally available within one to three business days after the sample is received.
Can supplements change the results?
Yes. Supplements can raise the level of the nutrient being measured, so tell the ordering provider what you take and when you last took it.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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Every page on this site is reviewed for clarity, sourcing, and accuracy. We update our library as testing options, collection networks, and accreditation standards change.