how long does it take for b12 injections to work Vitamin Injections: What You Need Know how quickly will b12 injections

Fortunately, there is increasing evidence that oral B12 supplements are just as good as injections for raising blood levels in most people ( Vegetarians and vegans are usually advised to take at least 10 mcg per day, or at least 2,000 mcg once per week ( However, some doctors still prefer the use of injections

Treating a B12 deficiency may boost energy and mood, reduce stress and fatigue, and decrease symptoms of multiple conditions

B12 injections are recommended for those who have a deficiency

In the end, choosing between methylcobalamin and cyanocobalamin should match your health goals and what your doctor recommends

You can learn more in our guide: Home Sweet Injection: How to Safely Give Yourself a B12 Shot

When to Seek Help: What If I Don't Feel Better