Unless things have changed very recently, it is not against the law to repackage some products that have not been sold to represent them with later sell by dates either
Besides knowing how long a vitamin B12 injection lasts, you also need to know how much it's going to cost you to administer it
Theoretical and route-specific risks FDA's 2024 review specifically flagged that no published human exposure data exists for the subcutaneous, transdermal, or intranasal routes that compounding pharmacies have offered
More importantly, many people have underlying issues that block B12 absorption, regardless of what they eat
Decreased appetite and subsequent weight loss
Direct the water against the inner wall of the vial as it is injected never onto the lyophilized cake, since direct impact foams the solution and denatures compound at the air-water interface