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I've recently had some testing which has indicated low levels of red blood cells and hemoglobin, as well as low B12
As a researcher, partner with a reputable supplier
COAs include HPLC purity analysis performed by an independent third-party laboratory.
Note that PA isn't caused by not eating foods that contain B12, but rather by your body's inability to absorb B12
One of the challenges with B12 intake is that B12 is not that easily found in food very few foods are B12 rich and these are essentially meat and eggs
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