Niacin was a zine created and published in Dublin by Ciarán Walsh between 1999 and 2003. It contained articles, comics, artwork and interviews with bands like Estel and Red Monkey. At least four issues were published: the fourth was entitled "Exploiting the Masses…Again?!".
- Pádraig Ó Méalóid, Irish Comics Livejournal, 16 February 2008
- Chris Fite-Wassilak, The Wood Green Comic, Comix and Zine Library: Serials, individual issues and zines