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Laboratory analysis of LGD-4033 ligandrol metabolite detection using mass spectrometry
Research News

LGD-4033 Metabolite Detection: Why New Testing Data Matters for SARMs

A new peer-reviewed study has quantified the long-term urinary metabolite M5-b of LGD-4033, also known as ligandrol, after controlled human micro-dose administration. The findings show dose-dependent excretion, several-day detection after a single exposure, and prolonged detectability after consecutive administration. The work does not make LGD-4033 safer or legal, but it gives anti-doping laboratories a stronger basis for interpreting low-level SARM findings and distinguishing possible exposure patterns.

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