Vitamin B3 (Nicotinamide)

Product detailed description

Vitamin B3 Blood Test: Nicotinamide

This laboratory test measures nicotinamide, one of the forms of vitamin B3. The general term niacin includes both nicotinamide and nicotinic acid, among other forms. This test specifically measures nicotinamide and can complement a targeted nutritional assessment.

Why Is Vitamin B3 Important?

Vitamin B3 is essential for the production of the coenzymes NAD and NADP, which participate in numerous cellular reactions and help the body convert nutrients into energy. Niacin is obtained through the diet, and the body can also meet part of its requirements by converting the amino acid tryptophan into niacin.

When Can This Test Be Useful?

Testing may be considered as part of a detailed nutritional assessment, in cases of severely restricted dietary intake, or when recommended by a doctor due to suspected vitamin B3 deficiency. Fatigue, skin changes, and digestive problems are not specific to vitamin B3 deficiency and require evaluation of other possible causes.

How Should the Results Be Interpreted, and What Are Their Limitations?

The results must be interpreted in the context of nutrient intake, supplement use, and the analytical method used. This test does not directly measure NAD+ levels or cellular energy production capacity. If a genuine deficiency is suspected, a doctor may recommend further evaluation or additional testing.

How Should You Prepare for the Blood Test?

The test requires a venous blood sample. Follow the instructions provided by the collection center and inform healthcare staff if you are taking niacin, nicotinamide, B-complex supplements, or other products containing forms of vitamin B3. Do not change any prescribed treatment without consulting your doctor.