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That usually means attaching or referencing key labs
Before embarking on this journey, always seek personalized advice from a healthcare professional
However, taking the substance 30 minutes to one hour before or several hours after meals may be beneficial
When B12 levels become problematic: High-dose supplementation (particularly doses exceeding 1,000 micrograms daily) Frequent B12 injections without medical supervision Underlying conditions affecting B12 metabolism Concurrent use of multiple B12-containing supplements The NHS does not set an upper safe limit for vitamin B12 because harmful effects from excessive intake have not been definitively established
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