Serious reactions are rare, but an allergic reaction is possible with any injection, which is another reason a first dose in trained hands is sensible
Dosing protocols, treatment regimens, and administration instructions are out of scope and not provided in any form
Considerations: Although you can alter what vitamins are sent to you, the personalized subscription may wind up being more costly than buying the supplement solo
B12 is needed for all brain and nervous system activity, energy production, formation of blood, cell metabolism, DNA synthesis, fatty acid synthesis, and homocysteine metabolism
In particular, a vitamin B12 deficiency is a known contributor to nerve damage and neuropathic pain
While many people get sufficient amounts through diet or supplementation, some individuals require more direct forms of administrationsuch as injectionsdue to medical conditions or absorption issues