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B12 supports red blood cell production and energy metabolism
These values provide a safer framework for symptomatic people who fall within the lower end of the vitamin B12 normal range (200500 pg/mL)
This includes starting with big doses, then keeping up with smaller ones
Injectable GHK-Cu is a separate matter: not FDA-approved, placed in FDA 503A Category 2 for injectable use, and not something to assume is safe
But its benefits go deeper than the surface
How they work: When you take a B12 pill, it travels through your digestive system
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