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What can go wrong Pain, swelling and a small lump The most common outcome of a rushed or badly angled injection is local irritation: soreness, redness, a small firm lump or a bruise
Change You May Notice B12 Injection Oral Supplement More energy About 1 to 2 days Several weeks Mental clarity About 3 to 5 days 4 to 6 weeks Mood support About 1 to 2 weeks 1 to 2 months What Affects How Quickly a B12 Shot Works for You If you are comparing notes with a friend and wondering how fast a B12 shot works for them versus you, a few things explain the difference: Your starting levels
Note: We recommend the same vitamin B12 injection dose for adults and children
Thats because vitamin B12 is bound to protein and can only be released by digestive substances in the stomach (hydrochloric acid and gastric protease) to be absorbed
Vitamin B12 is a water-soluble vitamin your body uses to make red blood cells, maintain a healthy nervous system, and release energy from food
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