If you are deficient in B12, a course of injections or high dose oral supplementation may be advised
The carriers of native vitamin B12 in normal human serum
Risks include injection site reactions, rare allergic responses, and hypokalaemia during treatment of severe anaemia
B-12 lowers homocysteine levels, a protein associated with an increased risk of heart attack, stroke, and dementia
So the practical takeaway is not oral is better or SC is better. It is: pick one route, follow the documented per-dose figure for the vial you have, and keep the route constant so that whatever you observe is not confounded by a mid-stream route change
Step 3 Personalized Recommendation Our medical team will do a brief consultation to help select the Vitamin Shot that best fits your needs and supports your overall wellness