Micronutrient, Vitamin B3

What this laboratory test evaluates

Vitamin B3 Vitamin B3, also known as Niacin, is an essential nutrient found naturally in plants and animals, and is often added to foods to ensure we get enough of it. This test measures the level of Vitamin B3 in the body to help identify deficiencies or to ensure that supplementation is effective.

What patients is this test right for?This test may be recommended for individuals experiencing symptoms of Vitamin B3 deficiency or for those who are at risk.

Vitamin B3 Deficiency Symptoms:• Weakness
• Digestive problems
• Skin issues
• Mood swings

What type of sample is required for this test?1 mL frozen serum collected in a red-top tube (no gel), protected from light.
Proper collection is crucial for accurate results.

Test Resources:Information on how to prepare for the test and understand the results may be limited. Consult with a healthcare provider for guidance and interpretation.

Additional test information

Vitamin B3 occurs naturally in plants and animals and is also added to many foods as a vitamin supplement.

Collection and processing

• Sample type: Serum
• Fasting: No
• Estimated laboratory processing: Results should be available in 2 – 5 business days after the sample is collected

How Sunridge uses laboratory information

Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.

Before requesting this test

Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.

Related Sunridge care

Learn how Sunridge approaches Complex Multi-System Illness and ask whether this test is appropriate for your clinical question.