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Comparing their side-effect profiles requires cross-study synthesis, not direct data
The right next step depends on whether your goal is quick wellness support, a broader nutrient strategy, or a more complete medical wellness plan
PMID 26024497
Gastric surgery, such as weight loss procedures, can also lead to vitamin B12 deficiency by reducing the number of cells needed to secrete stomach acid and intrinsic factor
Obesity Reviews (2016)
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