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At first, higher doses are used to quickly fill up vitamin B12 stores
However, physicians noticed these patients started losing weight when taking this medication
Dosing protocols are based on clinical research, pharmacokinetic data, and community experience with the peptide
All products are sold for research, laboratory, or analytical purposes only , and are not for human consumption
However, the oral route cannot be excluded as it did not depend on intrinsic factors only, as the simple diffusion (without the need for intrinsic factors) is now considered another mechanism for the absorption of vitamin B12 [49, 50]
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
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