Stacked Tolerances, Compounded Harm: The Measurement Drift Hidden Inside America's Drug Supply Chain
At every tier of pharmaceutical manufacturing and distribution, accepted variance accumulates in ways that no single regulator tracks end-to-end. The result is a compounding measurement slippage that can transform a factory-floor margin of error into a clinically meaningful dosing discrepancy by the time a pill reaches a patient. This investigation examines why the industry still lacks a unified precision auditing standard across its supply chain.