can b12 injections cause itching Strange Rash/ Low : r/B12_Deficiency Why do I feel worse

That is another reason medical supervision matters

Key Takeaways Vitamin B12 doesnt give you energy on its own

Most people having B12 injections (intramuscular) will see an improvement in the first 24 hours, but the hematological response, including the quick production of new red blood cells, may take several days to months for a full response

This has led us to include it in many of our mobile IV options, including Limitless for Ultimate Wellness, the Revive Myers Cocktail, our Resurrect Hangover Recovery therapy, and more

Patients who receive this treatment may receive just one injection or multiple shots over time