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Its safety profile is generally favorable, but several specific considerations deserve clinician attention particularly around copper biology, zinc balance, and the small number of patient populations where caution or contraindication applies
The cycle length at our Doral clinic is typically 8 to 12 weeks for musculoskeletal indications and 4 to 8 weeks for gut health, with a structured off-cycle period before reassessment
The typical GHK-Cu patient is not primarily concerned with growth hormone or athletic recovery they are focused on visible aging, skin quality, and appearance
What's clear: if you experience what appears to be accelerated aging, with deepening wrinkles, increased sagging, or loss of firmness after starting GHK-CU, you should pause your protocol and reassess
One of these classes (class I ferroptosis-inducing compounds, erastin derivatives) inhibits GPX4 through the depletion of glutathione, and the other (class II ferroptosis-inducing compounds, RSL3 derivatives) inhibits GPX4 directly, without glutathione depletion