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Your body uses it for a few important jobs: Making red blood cells, which carry oxygen and keep your energy up Turning the food you eat into usable energy, which supports your metabolism Keeping your nerves healthy and preventing tingling or numbness Supporting mood, focus, and mental clarity A shot delivers B12 straight into the muscle and bloodstream, so it skips the digestive system entirely
B12 is essential for metabolism, but taking extra when your levels are already normal does not speed it up or burn more fat
However, there is little to no evidence to support these claims
Some clinics insist on a blood test first
If youre taking vitamin B12 supplements in addition to the vitamin-rich foods youre consuming, you could experience diarrhea, nausea, vomiting and headache
What if I see no results after a month
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