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Essentially a Copy Rule

Meaning

In the highly specialized context of hormonal and nutritional therapy, the “Essentially a Copy Rule” is adapted to describe the clinical necessity of ensuring a therapeutic compound, such as a bio-identical hormone or an active metabolite, is structurally and functionally identical to the endogenous human molecule. This principle mandates that a synthetic substitute must be physiologically indistinguishable from the native compound to ensure optimal receptor binding, proper metabolic clearance, and minimal unintended effects.