ghk-cu plasma levels decline with age vs AHK-Cu: Which Copper Peptide Is More Effective? What Lab Research Actually Shows

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Seek medical advice if you experience: New or worsening vision problems Severe or progressive weakness Loss of coordination or balance Confusion or cognitive changes Seizures These symptoms could indicate underlying conditions requiring investigation

For example, B12 shots are $20 each or $80 for a 5-pack

It certainly works for me, but I've switched mainly to sublingual lozenges because they work out cheaper for the amount of B12 I need