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clinical work used GHK-Cu in the ~0.1% topical range
Some medications such as metformin and proton pump inhibitors (omeprazole for example) can interfere with the ability to absorb vitamin B12
Heres why: Superior Bioavailability and Speed: Injections offer 100% bioavailability, meaning every microgram injected directly enters your system, bypassing any digestive hurdles
Calculating exact amounts needed reduces waste and ensures each dose comes from freshly prepared solution
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