If it is past the expiry date, replace it rather than using it, since the sterility and preservative strength are only guaranteed up to that date
Improved Energy Levels: Many users report increased energy and vitality, making it easier to maintain an active lifestyle
(PubMed) Vogiatzoglou A, Refsum H, Johnston C, et al
However, it is important to note that there is no established direct mechanism by which tirzepatide interferes with B12 absorption or metabolism
It plays a vital role in your body, it contributes to Energy production Producing red blood cells Brain function Neurological function DNA Synthesis Vitamin B-12 can be stored in the liver for an extremely long time, so it might even take years for your body to develop a deficiency