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Yes, you can give yourself Vitamin B12 shots
By comparison, oral B12 supplements are absorbed at roughly 1 to 5% in healthy adults, and even less if you have low intrinsic factor, atrophic gastritis, celiac disease, Crohn's, or a history of gastric bypass
Never forget that Vitamin B12 provides an energy boost that will benefit your exercise regimens
Presented for research literature review only Thornalley PK (1991)
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