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ghk cu while on accutane Cu-GHK vs Tretinoin: The Anti-Aging Showdown Skin Restoration: Prioritizing Safety Over
Description
10.1089/neu.1998.15.217 J
Diabetes , 11 , 729743
Here is a summary of the causes of B12 deficiency not related to diet: Atrophic gastritis, where the atrophy of the gastric mucosa walls fails to produce intrinsic factor, causing pernicious anemia

So, where does B12 come from
