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In many cases, yes, especially if you have gut absorption issues (e.g., IBS, low stomach acid, post-surgery) or if youre already depleted
Certificates of Analysis (COAs) are made available to support transparency and documentation requirements for research use
For patients who are deficient in B12 or borderline low, correcting that deficiency may help improve fatigue, sluggishness, or weakness
Here's what you need to know about the side effects of taking vitamin B12 supplements and whether it is possible to take too much
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