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If a rash, hives, swelling, or trouble breathing shows up, stop use immediately and seek medical care
Supports brain and cellular health: B12 may support mitochondrial energy production, oxygen delivery, and neurological signalingall of which helps support brain cell integrity and DNA repair
For treating a deficiency, injections are usually given frequently at the start, for example, several times per week or every other day for a couple of weeks, to quickly build up body stores