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B12 shots vs oral supplements When deciding between B12 shots vs supplements, the right choice usually depends on your bodys ability to absorb the nutrient
Timeline for Recovery From B12 Deficiency If you are treating a B12 deficiency, you might ask, How long does it take for vitamin B12 to work
We advise consulting your doctor for the best advice, but generally we recommend avoiding B12 shots when pregnant
All dose ranges above are extrapolations from preclinical literature, not validated human clinical protocols
In contrast, vegans who supplement with B12 have healthy homocysteine levels
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