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These formulations often contain additional ingredients such as stabilizers, binders, fillers, carrier solutions, or excipients that support the final product format

Unlike B12 deficiency, which produces recognisable neurological and haematological symptoms, excess vitamin B12 typically remains asymptomatic and is discovered incidentally during routine blood tests

Figure 7 The disulfide and carba analogues examined demonstrated a relative high stability against proteolysis by metallopeptidases, despite the similarities in the N-terminal to oxytocin 35 and vasopressin 36 that both serve as substrates to IRAP (Alescio-Lautier et al., 2000