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While sterile water is free from living organisms, it lacks the bacterial growth inhibitors found in bacteriostatic water

Even simple changes to your diet can play a part in how your body makes supplements bioavailable

Medically reviewed by Dr Clair Grainger Last reviewed: 29 Jun 2026 With Superdrug Online Doctor you can message our Doctors for FREE via your patient account

Is the 86 vote legally binding on FDA

Our healthcare team will perform a thorough medical evaluation to ascertain whether vitamin B12 injections are suitable for you

However, B12 injections may have higher absorption rates, making them more effective for individuals with absorption issues or severe deficiencies