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A 1,000 mcg tablet and a 1,000 mcg injection contain the same amount but are absorbed very differently, and oral absorption varies widely from person to person
During your consultation at Spa Blue, our experienced wellness team will assess your symptoms, lifestyle, and nutrient levels to determine whether oral B12 supplements or B12 injections are right for you
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Some patients experience brief fatigue or warmth shortly after injection, which passes within an hour
2022 May 3;327(17):1688-99
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