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Normal serum vitamin B12 levels range between 200-900 pg/mL, with concentrations less than 200 pg/mL usually resulting in deficiency

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GHK-Cu provides collagen synthesis, extracellular matrix rebuilding, and systemic gene modulation, while BPC-157 drives angiogenesis, gut healing, and deep tissue repair

Preclinical studies in obese mouse models showed that NNMT inhibition with 5-Amino-1MQ reduced adipocyte size and body weight without changes to food intake, suggesting effects on energy expenditure rather than appetite