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Sensitivity or Allergies to B12 or Its Components: Some individuals may have an allergic reaction to the preservatives or additives in B12 injections, especially those with known sensitivities to certain medications or substances
Understanding this distinction is important for patients experiencing digestive symptoms whilst taking B12 supplements
Any references to biological activity, molecular pathways, or scientific research are provided solely for educational and informational purposes within the context of laboratory and preclinical research
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