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what is vitamin b12 injection for Benefits of Injections Skin Vitamin B12 shots: Uses, benefits,
Description
How fast do IM shots work
Some practitioners use this as a taper during weeks 9 to 12 of longer protocols, easing the body out of daily frequency before a full rest period

None of that makes them useless

Clinical Investigation Stier et al

Kubala, J

Everyone else benefits from a short clinician-led consultation before starting
