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Absorption problems can come from a variety of issues including stress, aging, pollutants, alcohol, and a range of digestive issues
It contains a cyano (cyanide) group in its structure, which makes it more stable than other forms of vitamin B12 as the cyanide stabilizes the molecule from deterioration
A: It may interact with certain medicines such as Levodopa or antiepileptic drugs
The UK Expert Group on Vitamins and Minerals (EVM) and the European Food Safety Authority (EFSA) have not established a formal upper tolerable intake level for B12 due to its low potential for harm
However, its important to know what side effects occur when you take too much
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