Is Claviceps purpurea extract vegetarian?

Claviceps purpurea is the ergot fungus that infects rye and other grasses, producing toxic alkaloids; galenical preparations and alkaloid extracts derived from it are regulated in cosmetics due to their potent pharmacological and toxic effects. It is of fungal origin.

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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