liquid b12 injection Sandoz Vitamin Injectable Solution - 1000 mcg/10 mL and cats B12 Injections - The Ultimate
Description
Zhang G, Guo C, Wang Y, Zhang X, Liu S, Qu W, et al

September 28, 2021

Each capsule is manufactured under controlled conditions to maintain compound integrity from production through delivery

Preclinical development of near-infrared-labeled CD38-targeted daratumumab for optical imaging of CD38 in multiple myeloma

The B12 in your compounded formulation should keep serum B12 levels adequate in most cases, but "most cases" is not "all cases." Verify with bloodwork rather than assuming

Avoiding exercise right before or after taking it can help as well since this will give it time to absorb before you do those movements
