where should you inject vitamin b12 Injection Sites: All Need to Know B12 Shots for Weight Loss:

In fact, some trials observed slight improvements in metabolic markers, likely secondary to fat loss rather than direct peptide effects

The abdominal region is the preferred injection site, though thighs and upper arms are acceptable alternatives

Batalha MA, Ferreira ALL, Freitas-Costa NC, et al

Injections can cause minor effects such as irritation or itching at the injection site, and the consumer fact sheet is a good plain-language reference on what B12 does and does not do

However, as is the case with any supplement or injection, the results are going to vary for each person

Start Now 5-minute online assessment No obligation Compounded medications, while permitted under federal law, are not approved by the FDA