# Vitamin B3 (Niacin and Metabolite)

> This test measures the level of vitamin B3, also known as niacin, and its breakdown products in your blood. It helps show whether you are getting enough of this nutrient to support healthy skin, digestion, and nerve function.

- Labcorp code: 070115
- Category: [Nutrients](https://picardo.health/labs/tests/nutrients.md)
- Sample: blood
- Labcorp turnaround: 4–10 days
- Collection: free at a Labcorp location, or $75.00 at home.
- Without a doctor: yes. People order it themselves, with no doctor's visit or referral.
- Price: shown on the review page its order link opens. Opening it orders nothing.
- Order link: https://app.picardo.health/labs/order?tests=070115&ref=assistant

## Results reported (2)

- Nicotinamide
- Nicotinic Acid

## About ordering

People order for themselves, with no doctor's visit or referral, and results arrive in their Picardo account. Ordering is open to adults 18 and over in the US, except New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii and Maine. General health information, not medical advice.