can injectable b12 be taken orally 6 best vitamin supplements 2026, according to an expert Can I start intramuscular vitamin

You may be a good candidate if you: Vitamin injections are generally safe for most healthy adults , but they may not be suitable for everyone

Wellness 27 May 2026 8 min read B12 injections: who actually needs them and how often

Most Common B12/MIC Side Effects If irritation continues to occur, apply an over-the-counter itch cream, preferably with hydrocortisone, or discontinue use entirely

Common cadences range from weekly during a heavy stretch to once every four to six weeks for general maintenance

In rare cases, particularly with severe megaloblastic anaemia, rapid correction of B12 deficiency can affect potassium distribution in the body