aa water vs bac water 3mL, 10mL Laboratory Supply Bacteriostatic Water for Injection: Package

Prefilled syringes and auto-injectors are available

haptocorrin) and passes into the duodenum where the R protein is removed by pancreatic proteases and free cobalamin binds to R protein (IF)

The duration of the effects of a B12 injection can vary

Healthcare providers should counsel patients about the distinction between compounded and FDA-approved products

After the shot, many people experience side effects like pain, itching, and swelling

I've brought this up before on this forum and got all the same kind of advice you got, and I do everything properly, and I've been doing it once or twice a week for years, so for me it's just become a fact of life that it's going to hurt