Vitamin B3
Access Medical Labs
Sample type: Plasma
Requires fasting: Yes
Sample collection required
Details
Vitamin B3 (Niacin) is a water-soluble vitamin important for energy production, DNA repair, and maintaining healthy skin and nerves. It is used to assess nutritional status and may help evaluate causes of fatigue, pellagra-like symptoms, or metabolic concerns.
- Nicotinamide
- Vitamin B3 (Nicotinic Acid)
Estimated days for results: Results should arrive 6 - 9 business days after the lab receives samples.
6–9 business days
- Please reach out to the phlebotomist to see if they will provide dry ice or if you need to provide it.
- Access will provide you with a styrofoam cooler for the dry ice sample.
- You can find the nearest dry ice distributor HERE.
- Fasting before a blood draw means you don't eat or drink anything except water.
- Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.
Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing.
Preferred or Independent Phlebotomist
- Location: Use Fullscript's directory to find a local phlebotomist.
- Cost: Varies by provider; typically $30 – $80.
- Scheduling: Schedule your appointment here. Contact your selected provider directly for availability. Calling by phone is recommended.
- Collection Instructions:
- Bring a valid ID.
- Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
- If you have ordered additional Access Medical Labs tests, collect those samples before your blood draw and bring them with you. YOU MUST ship all of your Access Medical Labs test samples together.
- More Info:
Getlabs Mobile Phlebotomy
- Location: Sample collection at your home or office.
- Cost: $85 sample collection fee (paid during lab order checkout).
- Availability: Available in most locations – enter your ZIP code during checkout to confirm.
- Scheduling: Schedule your appointment here through your Fullscript account.
- Collection Instructions:
- Have your digital or printed requisition form and valid ID ready.
- Your phlebotomist will contact you by phone to coordinate arrival.
- If you have ordered additional Access Medical Labs tests, collect those samples before your blood draw and have them ready to ship. YOU MUST ship all of your Access Medical Labs test samples together.
- More Info: Getlabs blood draw guide
- Preferred Specimen(s): 2 mL frozen plasma, protected from light
- Alternative: NA
- Minimum Volume: 2 mL
- Collection Instructions: Fast for 12 hours prior to collection. Abstain from alcohol and vitamin use for at least 24 hours before sample collection.
- Transport Container: Transport tube
- Transport Temperature: Frozen
- Specimen Stability:
- Frozen: 30 days
- Reject Criteria: NA
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
