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Rewiring neuronal glycerolipid metabolism determines the extent of axon regeneration
Unlike oral supplements, vitamin B12 injections deliver a concentrated dose directly into the bloodstream
It is also suitable for people who have had gastrointestinal surgeries (like gastric bypass) or have digestive disorders such as Crohns disease, which can impair nutrient absorption
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Progress photos taken under consistent lighting conditions help visualize changes
But it can take anywhere from hours to a day to see B12 blood levels rise after injection, Foxx says
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