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A common dose is 1000 mcg daily, given either intramuscularly (IM) or subcutaneously
It addresses functional B-vitamin insufficiency, particularly during periods of stress or increased metabolic demand, while avoiding imbalance that can occur when single B vitamins are given in isolation
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
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