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B12 deficiency produces a recognizable cluster of symptoms: fatigue, weakness, neurological changes including tingling or numbness in the extremities, cognitive fog, and in more severe cases, megaloblastic anemia
Sourced from Huberman Lab Ep 170
They're both likely to be good for anti aging , dry skin , brightening skin and sensitive skin
Active at nanomolar concentrations: Unlike many peptides that require high systemic concentrations, GHK-Cu has been shown to exert meaningful biological effects at nanomolar (10 M) concentrations making it effective even at low doses
No approved indication
A reader who believes evidence is being hidden looks for the smoking gun
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