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I sent a vial to Dukor for testing
Drawbacks/limitations Despite its promising effects, several limitations exist in this study
Injectable GHK-Cu is classified by the FDA as a Category 2 substance, which restricts its compounding at 503A pharmacies, and it is not FDA-approved for any indication
Notably, our murine studies revealed that selenomethionine administration retains the capacity to upregulate intracellular GPX4 levels in certain tissues (e.g., heart, stomach, and brain) despite their lack of CBS and CTH expression
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