B12

B12 (cyanocobalamin) is a water-soluble essential cofactor commonly used in peptide research environments to support optimal metabolic conditions. As a fundamental component in cellular energy production, red blood cell synthesis, and methylation pathways, B12 establishes a stable metabolic baseline to enable more accurate evaluation of peptide effects without introducing confounding metabolic variability. B12 functions as a necessary cofactor in a range of enzymatic processes essential for cellular homeostasis. It is involved in ATP synthesis, mitochondrial function, and the methylation cycle, including homocysteine conversion.