Taking your vitamins intravenously and taking them orally are two completely different processes
If you are deficient in B12, a course of injections or high dose oral supplementation may be advised
Lastly, activated microglia release proinflammatory cytokines like TNF-alpha and IL-1beta, inducing leukocyte infiltration, edema, and neurotoxicity (Jarrahi et al., 2020)
Although studies suggest all three forms are well absorbed, better retention appears to be achieved with the natural forms of vitamin B12
8.3 Essential criteria for encapsulation matrices Fundamentally, the process involves enveloping viable organisms in a protective, biocompatible matrix that serves as a shield against deleterious environmental factors
It binds to nasty stuff like heavy metals and chemicals, making them water-soluble so they can exit through your bile or urine