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Impurities or bacteria in an IV product can be dangerous
In UK practice, monitoring is primarily based on clinical response rather than routine blood tests, as post-treatment serum B12 measurements can be misleadingly high and may not reflect tissue levels
GHK-Cu, or glycyl-L-histidyl-L-lysine copper, occurs naturally in human plasma but declines with age
Injecting slowly, over 20 to 30 seconds rather than in a single rapid push, allows the surrounding subcutaneous tissue more time to equilibrate as the solution is introduced
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