I've still got a load of B12 Hydroxocobalamin ampoules that I bought from the lovely Versandapo a while back, but these had an expiry date of the end of April 2021
Shorter needles (e.g., 5mm or 6mm) are insufficient for reliable subcutaneous injection, while longer needles (10mm or more) risk penetrating intramuscular or neurovascular structures
Ozempic is a diabetes medication that is often used off-label for weight loss
G.CareyP
Funding This work was supported by grants from the National Natural Science Foundation of China (NSFC Numbers 81672800, 81603009, 81673020, 81802632, and 82173830), Natural Science Foundation of Shaanxi (2020JQ-445), and the Key Research and Development Program of Shaanxi Province (2021SF-207, 2021SF-223, and 2022ZDLSF05-19)
Animals accumulate vitamin B12 in their flesh because they consume unsanitized food and water