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AAT Bioquest

What does a low LD50 represent?

Posted December 21, 2023


Answer

A low LD50 represents high toxicity. 

LD50 is the median lethal dose of a chemical. A low LD50 indicates that the chemical is lethal in small doses. The lower the LD50 value, the higher the toxicity of the chemical. 

Additional resources

Dose-Response Assessment

LD50 Calculator