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Czechia Greater than 99.8 % purity confirmed by COA Assay content verified at 50.7 mg Endotoxin level below 0.001 EU/mg No detectable heavy metals or microbial contamination High-purity peptide for controlled laboratory research For research use only not for human or veterinary use For laboratory research only
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Most United States laboratories report a reference range of roughly 160 to 950 pg/mL, though exact figures differ between labs, so a result should be read against the range printed on your own vitamin B12 blood test report
How a body-water loss of just 12% measurably impairs attention, working memory, concentration and mood (Ganio 2011 in men, Armstrong 2012 in women)
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