B12 injections may also be useful for those with gastrointestinal issues, older adults, vegans, vegetarians, and people with underlying health conditions that can restrict vitamin B12 absorption
11 Unlike serum, plasma contains fibrinogen and other clotting factors that, when activated, form a temporary fibrin scaffold that allows attachment, adhesion, migration, and proliferation of cells
Benefits of Vitamin B12 injections: Helps With Red Blood Cell Formation and Anemia Prevention
Maybe they injected 5 mg
Resistant to stomach acid and stable at room temperature, it has shown remarkable regenerative effects in preclinical studies, particularly for gastrointestinal healing