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If B12 blood levels and MMA are both high, a functional B12 deficiency could be preventing B12 being useful at cell/tissue level
Recently, glutamine was suggested to reduce the intestinal catabolism of amino acids, which may improve their bioavailability in the systemic circulation [29]
The foundational 2012 paper reporting Dihexa's cognitive-enhancing effects received a formal expression of concern from the journal (PMID: 34551989), citing questions about data integrity including Western blot images
If the peptide will be accessed multiple times, bacteriostatic water provides an added layer of protection against contamination
When using biotechnology to make enzyme-based products, the results are usually cleaner and have fewer impurities than chemical-only methods
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