Vitamin B12 Analysis and Quantification
Introduction
This Vitamin B12 analysis service provides accurate, high-sensitivity quantification of cobalamin compounds across a wide range of sample types. Offered through QIB Extra on a commercial, fee-for-service basis, the service is delivered by a specialist team at the Quadram Institute, comprising Dr. Sree Javvadi, Dr. Shikha Saha, and Prof. Martin Warren.
Using advanced liquid chromatography–tandem mass spectrometry (LC-MS/MS), we can sensitively detect and quantify biologically active forms (methylcobalamin, adenosylcobalamin), other forms (cyanocobalamin, hydroxocobalamin), and analogues such as pseudovitamin B12. This enables researchers, food producers, and supplement manufacturers to obtain reliable data for nutritional labelling, quality control, regulatory compliance, and product development.
All analyses are performed within a quality management system compliant with ISO 9001, ensuring traceable, reproducible, and high-integrity results. The method is validated for a wide range of matrices, including fortified foods, vegan products, animal-derived ingredients, pharmaceutical formulations, and novel sources such as insects, microbial biomass, and seaweed.
Benefits of Vitamin B12 Analysis
- Deficiency Mitigation - Enables early detection of Vitamin B12 deficiency, allowing for targeted dietary or supplemental intervention.
- Quality Assurance - Supports the accurate labelling and potency assessment of fortified foods, supplements, and pharmaceutical formulations.
- Regulatory Compliance - Provides validated quantitative data suitable for health claims and regulatory submissions.
- Product Innovation & R&D - Facilitates research and development in plant-based nutrition, functional foods, and alternative B12 sources.
- Broad Matrix Applicability - Capable of analysing diverse food, supplement, and biological matrices with high reproducibility and accuracy.
Background of Vitamin B12 and Its Importance
Vitamin B12 (cobalamin) is a crucial nutrient essential for red blood cell formation, neurological function, and DNA synthesis. Deficiency can lead to anaemia, neurological disorders, and cognitive impairment, highlighting the need for precise and reliable testing.
Sources of Vitamin B12
Vitamin B12 is naturally present in animal-derived foods such as meat, dairy, eggs, and fish. Since most plant-based foods lack B12, fortified products—including plant-based salads, cereals, and vegan alternatives—are critical dietary sources for vegetarians and vegans. Additionally, B12 can be found in unconventional sources such as insects, microbial cultures, and seaweed, as well as in pharmaceutical supplements.
Analytical Capabilities
Our laboratory employs advanced chromatographic and LC-triple quadrupole mass spectrometry (LC-MS/MS) techniques for comprehensive B12 analysis. This enables highly sensitive and specific detection and quantification of various B12 forms, including:
- Active forms: Methylcobalamin, Adenosylcobalamin
- Other forms: Cyanocobalamin, Hydroxocobalamin
- Analogues: Pseudovitamin B12, other corrinoids
Our laboratory services ensure high accuracy in B12 assessment, supporting food manufacturers, supplement producers, researchers, and regulatory bodies in maintaining quality and efficacy across diverse products.
Whether analysing traditional foods, novel ingredients, or pharmaceutical formulations, we deliver reliable data to meet your needs.
Matrix Capabilities
We provide robust vitamin B12 quantification across a wide range of matrices, including:
Foods fortified with B12 are specifically designed to enhance intake, especially in populations at risk of deficiency. The typical form added is cyanocobalamin, owing to its stability and cost-effectiveness.
Rigorous analysis ensures label compliance and verifies actual bioavailable B12 content.
Routinely found types: Cyanocobalamin (primary), occasional traces of methylcobalamin or hydroxocobalamin.
Common matrices: Breakfast cereals, meal replacements, plant-based salads, nutritional bars.
Plant-based and vegan-friendly foods are commonly fortified with B12 or produced via microbial or fermentative processes. Cyanocobalamin is most frequently added, though fermentation may produce methylcobalamin or hydroxocobalamin, and sometimes inactive B12 analogues.
Analytical discrimination between active forms and analogues is critical for accurate nutritional assessment.
Routinely found types: Cyanocobalamin, methylcobalamin, hydroxocobalamin; possible presence of pseudovitamin B12 and other analogues.
Common matrices: Plant-based meats, dairy alternatives, fermented foods.
Animal tissues and dairy products are naturally rich in bioactive B12 forms, predominantly adenosylcobalamin and methylcobalamin, with smaller amounts of hydroxocobalamin.
These naturally occurring forms are highly bioavailable to humans.
Routinely found types: Adenosylcobalamin, methylcobalamin, hydroxocobalamin (trace levels), minimal cyanocobalamin.
Common matrices: Meat, milk, yogurt, cheese.
Novel matrices such as edible insects, microbial biomass, and seaweed present challenges in quantifying B12 due to variable vitamer composition and potential presence of inactive B12 analogues (e.g., pseudovitamin B12 in some algae or seaweed).
Our advanced methods distinguish these from truly bioactive cobalamins.
Routinely found types: Hydroxocobalamin, methylcobalamin, adenosylcobalamin; possible high levels of pseudovitamin B12 or other analogues, especially in seaweed.
Common matrices: Insects, microbial biomass, seaweed.
Pharmaceutical preparations standardise B12 delivery. Cyanocobalamin is the most common form due to its superior stability, although other forms such as methylcobalamin and hydroxocobalamin may be used for specific therapeutic indications.
Precision quantification verifies dose and stability.
Routinely found types: Cyanocobalamin (most common), methylcobalamin, hydroxocobalamin, adenosylcobalamin (specialty products).
Common matrices: Tablets, capsules, injectables.
Exploratory and specialised use matrices, such as fermented beverages, yeast extracts, dietary supplements, and biological samples, may contain a mix of naturally occurring B12 forms and inactive B12 analogues resulting from microbial synthesis or processing.
Routine analysis elucidates both total and bioactive B12 content.
Routinely found types: Hydroxocobalamin, methylcobalamin, varying levels of cyanocobalamin, possible analogues and degradation products.
Common matrices: Fermented beverages, yeast extracts, nutritional supplements, biological tissues.
Our laboratory services ensure high accuracy in B12 assessment, supporting food manufacturers, supplement producers, researchers, and regulatory bodies in maintaining quality and efficacy across diverse products. Whether analysing traditional foods, novel ingredients, or pharmaceutical formulations, we deliver reliable data to meet your needs.
Contact Us
To request a quotation, discuss your project requirements, or submit samples for analysis, please contact us..