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People who consume adequate animal products can often maintain sufficient b12 from diet alone, even during semaglutide use
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B12 deficiency causes fatigue, anemia, and neurologic symptoms, and is more common in older adults, vegans, and those with malabsorption conditions
Each COA reports results from third-party laboratory analysis, including: High-performance liquid chromatography (HPLC) for purity, typically confirmed at 99% or higher Liquid chromatography mass spectrometry (LC-MS) for molecular identity and mass confirmation Sterility and endotoxin screening where applicable Chemical contaminant and residual solvent checks COAs are sourced from independent certified labs rather than in-house testing alone, giving researchers a verifiable record of molecular integrity for each batch
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