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Agata Sobczynska-Malefora: How Age and Ethnicity Influence Active Vitamin B12 and MMA Levels
Oct 31, 2026, 19:50

Agata Sobczynska-Malefora: How Age and Ethnicity Influence Active Vitamin B12 and MMA Levels

Agata Sobczynska-Malefora, Consultant Clinical Scientist at Synnovis, Chartered Scientist at The Science Council, Chartered Chemist at Royal Society of Chemistry, shared a post on LinkedIn about a recent article she and her colleagues co-authored, published in European Journal of Clinical Nutrition, adding:

“I’m pleased to share this article, which demonstrates how age and ethnicity influence holotranscobalamin (holoTC, Active-B12) and methylmalonicacid (MMA), biomarkers used in the assessment of Vitamin B12 deficiency.”

Title: Age and ethnicity influence serum holotranscobalamin (‘Active’ B12) and methylmalonic acid concentrations, two markers of vitamin B12 status assessment

Authors: Agata Sobczyńska-Malefora, Maheen Siddiqui, Dominic J. Harrington

Agata Sobczynska-Malefora

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