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NHS guidance is clear that it should be prescribed and given by, or under the supervision of, a suitably qualified professional

Unlike sterile water for injection (SWFI), which must be used immediately after opening and discarded after a single withdrawal, bacteriostatic water can be stored and reused for up to 28 days after initial penetration of the vial stopper

If the issue lies with absorption, B12 shots or IV infusions are an effective alternative to oral supplements because they are administered via injection or intravenously, meaning they do not need to be absorbed through the digestive process

A Busy Professional or Athlete: High stress and physical activity can deplete your nutrient stores faster