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Many people have heard of B12, but few realise just how important it is for daily function and long-term health
Genetic determinants of serum vitamin B12 and their relation to body mass index We found no support for a causal role of decreased serum vitamin B12 levels in obesity
It is one of the most extensively investigated proteins in endocrine, metabolic, and longevity research, acting at the growth hormone receptor (GHR) to influence IGF-1 production, protein synthesis, lipid metabolism, and tissue growth
What does that mean for human readers
GHK-Cu's natural occurrence in human plasma suggests better tolerance for extended therapy, though both appear safe when used appropriately
Main clinical features of vitamin B12 (cobalamin) deficiency [1,2,5] In industrialized countries, disorders such as nutritional deficiencies, malabsorption or genetic cobalamin disorders are rare or exceptional etiologies of vitamin B12 deficiency, especially in adults [5]
