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Deficiencies in vitamin B12 can cause fatigue, weakness, and nerve issues
Research suggests that GHK-Cu may play a potentially key role in restoring damaged tissues, wound repair, and supporting immune response
Current oral B12 supplements either rely on passive diffusion, which is often inadequate for IF-deficient patients, or use porcine-derived intrinsic factor, which can trigger immune responses and has not been systematically optimised for therapeutic use
Meena, etal, 2018
Nature 552 , 187193
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