Blood testing provides meaningful clinical insights into vitamin and mineral deficiencies.
Blood testing provides robust and clinically meaningful insights into vitamin and mineral deficiencies, serving as the standard matrix for nutritional assessment.
The retrieved literature consistently supports the validity and clinical utility of blood testing for measuring micronutrient status and detecting vitamin and mineral deficiencies. Papers like [2], [5], [9], and [11] affirm that blood biomarkers reliably reflect micronutrient concentrations and guide clinical management. No papers refute the claim.
K. Jones, Sarah R Meadows, K. Chamberlain, Damon A Parkington, D. Collins, P. Page, A. Koulman. Delayed Processing of Chilled Whole Blood for 24 Hours Does Not Affect the Concentration of the Majority of Micronutrient Status Biomarkers. 2021. https://doi.org/10.1093/jn/nxab267
Demonstrates that blood is a stable and reliable matrix for assessing various micronutrient status biomarkers like vitamin D, folate, B-12, and iron.
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Amanda Simin Fu, Farhana Osman, D. Cameron-Smith, N. Lam, Kervyn Ajay Mehta, M. K. Leow, S. Haldar, Christiani Jeyakumar Henry, Darel Wee Kiat Toh. Micronutrient intake and status of adults consuming plant-based meat analogues or animal-based meats as primary protein source: An 8-week randomized controlled trial.. 2026. https://doi.org/10.1016/j.clnu.2026.106610
Shows that blood biomarkers effectively reflect changes in micronutrient status resulting from dietary intake and supplementation interventions.
Fahim SM, Miah M, Marcotte M, Zoria N, Ahmed M, Huey SL, Erickson D, Finkelstein JL, Mehta S. Saliva as a Matrix for Primary Care: Feasibility and Scoping of Its Use for Assessment of Nutrition and Inflammation.. 2026. https://doi.org/10.1016/j.advnut.2026.100625
Highlights blood testing as the established clinical standard for assessing nutritional and inflammation status, noting limitations of alternative matrices like saliva.
Adolph M, van Zanten ARH, Berger MM, Petros S, Hiesmayr M, Weimann A, Martignoni ME, Feil K, Hirschberger S, Haller V, Wunderle C. Current concepts on feeding the critically ill patient: a narrative review.. 2026. https://doi.org/10.1186/s13054-026-06123-5
Notes that micronutrient deficiencies are common and require structured assessment through biomarkers to guide targeted management.
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