Alkaloid is an extreme metal band formed by former and current members of Obscura, Necrophagist, Aborted, Dark Fortress, Noneuclid and Blotted Science.

Morean (Florian Magnus Maier; also Dark Fortress, Noneuclid) – guitars, vocals

Christian Münzner (Obscura, Eternity’s End, ex-Paradox, ex-Necrophagist) – guitars

Linus Klausenitzer (Obsidious, Noneuclid, ex-Obscura) – bass

Hannes Grossmann (Triptykon, Blotted Science, ex-Obscura, ex-Necrophagist, ex-Hate Eternal) – drums