For vitamin B12 to be absorbed from the gut, it must bind to a protein called intrinsic factor, which limits how much B12 the gut can take in at one time
Product Info Molecular formula: C124H187N31O28 Molecular weight: 2180.0 Purity: 99%+ Sequence: Tyr-His-Asp-Phe-Ile-Glu-Asp-Gly-Ser-Thr-Ser-Ala-Ala-Val-Lys-Gln-Ala-Ala-Glu-Glu-Gln Most standard lyophilized research vials are commonly prepared using 2mL of bacteriostatic water unless otherwise specified directly on the product page or vial label
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Keep an eye on symptoms during the lower dose phase