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Handled by trained staff, the injection is quick and easy for most people

2017 Cell study used 5 mg/kg intraperitoneal injection three times per week in aged mice, with treatment periods of several weeks the three-times-weekly dosing suggests the peptide maintains sufficient functional concentrations for at least 48-72 hours per dose (PMID: 28340339)

Weight and Metabolism Support Vitamin B12 helps your body turn fats and carbohydrates into energy

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The FDA has documented cases of patients injecting five to twenty times their intended dose due to concentration confusion

The short answer is: They are functionally identical in their core structure and healing benefits