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Extended intervals are the weakest layer
Research shows GHK-Cu's therapeutic dose is approximately 300-fold below its toxic threshold
DOI: 10.48550/arXiv.2506.15792 while Bojan et al
Some common side effects include: Mild nausea Stinging Swelling Burning Some serious side effects may include: Dizziness Drowsiness Slow/shallow breathing Mental/mood changes (such as confusion/nervousness) Shaking Seizures Vision changes (double vision/blurred vision) Ringing in the ears Fainting Pale/bluish/grey skin Fast/slow/irregular heartbeat Although allergic reaction is rare, get immediate medical attention if you have any of the following: Rash Itching Swelling of the face, tongue, or throat Severe dizziness Trouble breathing Storage Store lidocaine HCl injections at controlled room temperature
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