where do i inject b12 injection intramuscular or subcutaneous How to Give a B12 Injection: Step-By-Step Instructions Are B12 Shots Safe? Royal

( 11 ) However, if youre severely deficient in Vitamin B12, it may take several weeks to fully restore your levels and feel the cumulative benefits

A study in the Journal of the American Geriatrics Society found that older adults might need more Vitamin B12 because their bodies absorb it less well

Others do monthly maintenance

Benefits of Oral Supplements Limitations of Oral Supplements Comparing Treatment Effectiveness Clinical studies demonstrate both methods effectively treat vitamin B12 deficiency when appropriately selected for individual patient needs

Full benefits may take longer as the body rebuilds healthy red blood cells and restores nerve function

The time it takes to feel refreshed after receiving a B12 shot can vary depending on your individual health, lifestyle, and the severity of your deficiency