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If your B12 deficiency is severe, it could take 4-6 weeks of injections before you really start to turn the corner and feel like your old self again
18 A study in 2003 compared oral versus sublingual cyano-B12 (500 g per day for 8 weeks), and found that both increased B12 levels significantly without a significant difference between the two
Researchers studying oral peptide bioavailability should reference the specific published literature on GHK-Cu oral research
Pregnancy Teratogenic Effects: Pregnancy Category C: Animal reproduction studies have not been conducted with hydroxocobalamin
American Academy of Pediatrics, Committee on Fetus and Newborn
Sikiric 2006)
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