Niacin deficiency.

Niacin-bound chromium supplements.

Pellagra disease. Niacin deficiency.

That's the niacin.

They eat lousy diets, so no niacin.

Lack of niacin starves the brain.

- I got vinegar, distilled water and niacin.

I found this stuff called niacin.

Lack of niacin starves the brain. Neurons shut down.

Her body couldn't absorb enough niacin, caused the pellagra.