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Four-point analytical testing Each lot is analysed by HPLC for purity, mass spectrometry for amino acid identity, and LAL testing for endotoxins, with independent third-party verification on top of in-house quality control
Importantly, folic acid should not be given alone before B12 deficiency is excluded or treated, as this can mask anaemia while allowing neurological damage to progress
oral therapy suits dietary deficiency without nerve involvement
If any of that rings true for you, sitting down with a provider is a sensible move
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