can glutathione help with inflammation Frontiers 6 health benefits of glutathione

Administration Routes in Research Multiple delivery methods have been investigated for individual peptides: Intraperitoneal injection Most common in rodent studies for both peptides Subcutaneous injection Used in some clinical observations (not controlled trials) Intramuscular injection Applied in musculoskeletal research protocols Oral administration Uniquely effective for BPC-157

Vitamin B12 shots are normally available by prescription only and are administered into a patients muscle tissue about once monthly, although dosage varies depending on age and medical history

So a micronutrient value in the "normal" range could still be suboptimal for you

This adipokine is predominantly produced by white adipose tissue, but low levels of expression are also detected in the hypothalamus

And youre probably not doing anything wrong