is there any side effects from b12 injections Injection Safety, & Risks Vitamin B12 Side Effects

[1] For this reason, it might be advised to remain in the clinic for 10-15 minutes after the first injection to ensure you dont react

B12 shots can be especially helpful if you are older, do not eat animal products, have conditions that impact nutrient absorption, or take medications that interfere with nutrient absorption

Then, the dose might change based on how you react and other factors

Long-lasting effects One injection lasts 4-6 weeks, so patients only need injections every month or two for maintenance

Any excessive amount not used by the body is flushed out in the urine due to vitamin B12 being a water soluble vitamin