give yourself b12 injection home Safe Guide at How to self-inject intramuscular vitamin

Needle length selection affects injection depth

Preclinical Observations Findings observed in murine studies include: Endurance capacity: Increased treadmill running time and distance Mitochondrial function: Enhanced respiration and ATP production in muscle Cardiac metabolism: Improved fatty acid utilization in models of heart failure Renal function: Reduced mitochondrial dysfunction and inflammation in aging kidney models Metabolic profile: Improved glucose handling in metabolic syndrome models These results are limited to animal models using intraperitoneal injection

But including foods high in these vitamins (like whole grains, meats, eggs, dairy, leafy greens, nuts) as tolerated can help maintain levels once the course of injections is over

Its also been speculated that oral methylcobalamin or injected hydroxycobalamin may be preferable in smokers, but that hasnt been conrmed