b12 injections while breastfeeding Botox and hyaluronic acid fillers are widely considered safe during because they remain localized and do not enter breast milk. , Research shows that these substances stay where they are B12 Injection While Breastfeeding: What
Description
Our high-potency injections are formulated for maximum bioavailability

However, there are a few rare cases where this treatment is not recommended

So, if for example you experience worse fatigue after B12 injections, it might be a brief phase where your body is still using the unhealthy red blood cells

Any diluent selection, preparation, temperature, aliquoting, or post-reconstitution hold conditions must be established by a qualified laboratory under a validated SOP

this effect may be due to interference with erythrocyte maturation
