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W hat is vitamin B12
This treatment helps to boost the body's natural production of NAD, which can have numerous health benefits
& Dziegielewska, K
But theres one very common complaint: Why does it burn so much when I inject it? Why GHK-Cu Causes a Burning Sensation A burning or stinging feeling during injection is extremely common with GHK-Cu, and in most cases, its not a sign of anything going wrong
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