[old and tired]

Was that the flush free niacin? That’s the bad stuff. Regular flush inducing niacin has never been proven to cause liver toxicity.

[bravo whiskey]

i now take 1500 niacin (not flush free) down from 2000. i take it right before turning the lights out so i am asleep when the flush hits. even if not the flush is annoying only since i know what is causing all the symptoms. i take red rice yeast, also at night, as i can't take statins. my numbers are fine and my family has a history of heart disease.

[Ragnar54]

The article does not indicate which kind was used by the patient in the case history. However, the article does say:

SR niacin can be taken once daily and is less likely to cause flushing, but is not approved for use in hyperlipidemia and has been associated with a high rates of hepatotoxicity in some studies.

So you might be correct. The authors should have made it clear. Good catch.