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B12 oral supplements are also readily available but these take longer to work and there is no guarantee that the body will absorb them effectively due to the digestion process
People with certain allergies might be sensitive to B12
Cold solution stings more going in
Water that is too acidic (low pH) may corrode pipes and leach metals like lead or copper into the water, while water with a high pH (alkaline) can cause a bitter taste, scale buildup, and reduce the effectiveness of disinfection
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