The compounds could potentially be combined, as their mechanisms do not overlap
Vitamin B12 shots can help to prevent the associated complications of deficiency, including heart disease, coordination problems, vision loss, infertility, neurocognitive disorders and peripheral neuropathy
They found that it wasnt possible to determine a clear lower limit for which any of these biomarkers can reliably indicate B12 deficiency, but that daily intakes above 4.0 g appear to have no additional benefit
PubChem compound record PubChem
B12 Administration A small needle injects B12 directly into the muscle, ensuring fast absorption into the bloodstream
Tirzepatide population pharmacokinetics and exposure Schneck 19-study pooled popPK (CL/F 0.061 L/h, half-life 5.4 d, accumulation 1.7x, body-weight covariate +22% at 70 kg / -33% at 120 kg)