Vitamin Testing
Vitamin Testing

Vitamin Testing

Vitamins play a crucial role in maintaining human health, and consumers rely on dietary supplements to meet their daily nutritional needs. In an increasingly regulated and competitive market, ensuring the accuracy, stability, and compliance of vitamin content in supplements is essential—not only for meeting global standards but also for building consumer trust and brand reputation.

With over 20 years of experience in analytical chemistry and nutraceutical science, Alfa Chemistry provides advanced vitamin testing services designed specifically for dietary supplement manufacturers, formulators, and brand owners. We help ensure your products deliver the promised nutritional value—every time.

Our Vitamin Testing Services

At Alfa Chemistry, we offer a full spectrum of testing services for both fat-soluble and water-soluble vitamins, along with their active forms, precursors, and degradation products.

CategoryAnalytes CoveredTesting Methods
Fat-Soluble VitaminsVitamins A (retinol, retinyl esters), D2, D3, E (tocopherols, tocotrienols), K1, K2, K3HPLC, LC-MS/MS
Water-Soluble VitaminsVitamin C (ascorbic acid), B-complex (B1, B2, B3, B5, B6, B7, B9, B12)HPLC, Fluorescence, Spectrophotometry
Active FormsPyridoxal-5′-phosphate (B6), methylcobalamin (B12), folinic acid, other coenzyme formsFluorometric assay, Immunoassay
Stability TestingDegradation products, shelf-life profiling under heat, UV, and humidity stressAccelerated & Real-time Stability Testing

Whether you're testing raw materials, in-process samples, or finished goods, Alfa Chemistry provides accurate, reliable results to support your product claims and quality assurance goals.

Why Choose Alfa Chemistry

  • Fast, Accurate, and Reliable

We use advanced techniques like HPLC, LC-MS/MS, and fluorometric analysis to give you precise results—quickly and consistently.

  • Support for Your Whole Product Lifecycle

From raw materials to finished products, we offer testing at every stage. We also provide shelf-life and stability studies to help you understand how your vitamins hold up over time.

  • Flexible and Customizable

Whether you need a full vitamin profile or just want to verify a single ingredient, we tailor our services to match your formulation and budget.

Partner with Alfa Chemistry

At Alfa Chemistry, we believe accurate testing builds trust—between you and your customers, and between your products and the market. Our goal is to make sure your supplements are safe, compliant, and deliver what they promise.

Get in touch with us today to learn more about our vitamin testing solutions.

Contact Us

Our products and services are for research use only and cannot be used for any clinical purposes.

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