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Description
Recovery time from B12 deficiency varies depending on the severity and underlying cause

Cochrane Database of Systematic Reviews

Subcutaneous injection bypasses first-pass hepatic metabolism, delivering more active peptide to target tissues

Distinct mechanism from GLP-1 compounds works via endogenous GH stimulation

While haptocorrin can bind to inactive B12 analogs, intrinsic factor is widely thought to be selective for only active B12 (Allen, 2008)
