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A vitamin B12 deficiency can occur for a variety of reasons, which is why its important to speak with your doctor

Vitamin B 12 (cobalamin) deficiency is a common cause of macrocytic anemia and has been implicated in a spectrum of neuropsychiatric disorders

Clinical Evidence (40%) : Peer-reviewed studies, sample sizes, statistical significance Safety Profile (25%) : Adverse event rates, contraindications, long-term data Cost-Effectiveness (20%) : Monthly treatment costs, dosing frequency Accessibility (15%) : Prescription requirements, compound availability Selank is a synthetic heptapeptide derived from tuftsin, a naturally occurring immunomodulatory peptide

doi: 10.1016/0016-5085(79)90002-7

For instance, Lgr5 marks a subset of cells in the highly proliferative intestinal epithelium (Barker et al., 1948)

10.1111/j.1365-2036.2010.04351.x 86