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[13] [5] If you experience side effects from vitamin B12 supplements or medicines, report them through the MHRA Yellow Card scheme
The four-zone thigh rotation system Divide each thigh into four quadrants based on two lines
You're more likely to have vitamin B12 deficiency if you have a medical condition where your body can't absorb B12 or you follow a strict vegan diet
The injection site should be cleaned with alcohol and allowed to dry completely before injection to prevent stinging and ensure proper sterilization
Metabolites were quenched and extracted using a slight modification of the protocol described (Thomson et al, 2022)
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