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Oral cyanocobalamin supplementation in older people with vitamin B12 deficiency: a dose-finding trial

Researchers use this combination to probe whether these distinct pathways interact or produce additive effects in tissue repair models

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However, by reducing the acidity of the gastric lumen, these drugs also inhibit the bodys ability to absorb B12 by preventing its splitting from the carrier protein molecules

FDA & Compounding Disclaimers 1

Some sources mention that while mainstream FDA approved for weight loss claims exist in marketing, regulatory status is ambiguous (i.e., not formally approved for broad weight-loss indication)