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Neurological investigations showed raised plasma homocysteine and methylmalonic acid towards the upper limit of normal with a low serum vitamin B12 MRI showed an extensive cord lesion in keeping with subacute combined degeneration of the spinal cord

This verification prevents using wrong compounds in research studies

Genetics is a guide, not a guarantee

Peptide research products require more than a label and a vial

Individuals at risk of vitamin B12 deficiency include older adults, people with gastrointestinal disorders, those who have had gastrointestinal surgeries, individuals on a strict vegan diet, individuals who take metformin for blood sugar control, and people taking proton pump inhibitors for chronic heartburn