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Storage and stability The lyophilized blend is stable for extended periods at -20C

Neither source is perfect alone

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In the UK, vitamin B12 deficiency is relatively common, particularly among older adults, vegans, vegetarians, and individuals with certain gastrointestinal conditions that impair absorption, such as pernicious anaemia or Crohn's disease

However, consult a doctor, especially in cases of Chronic Kidney Failure (CKD), to prevent any buildup or interactions that may affect kidney function