vitamin b12 injections versus oral supplements vs. Supplements: Which Works Best? Vitamin B12 Oral vs Injection​

You need to support it with appropriate diet and training

Results demonstrated that AOD-9604 displayed a very good safety and tolerability profile indistinguishable from placebo. Critically, the peptide produced no clinically significant alterations in IGF-1 levels, no glucose intolerance or insulin resistance, and no anti-AOD9604 antibodies in any participant

It improves glucose metabolism in skeletal muscle, which implies a number of benefits for those with diabetes, obesity, or who are over 30 years old

The lyophilized format supports storage stability, laboratory handling, and long-term preservation under appropriate conditions