Analytical method development, validation, and technology transfer for multivitamin tablets

A demonstration of advanced analytical capability for Complex Multi-Active pharmaceutical products.

Key highlights:

• Project background: The Multivitamin tablets analytical program was initiated to address the unique challenges posed by a formulation containing eight vitamins present across an exceptionally wide dosage range.
• Challenge: The co‑existence of eight chemically diverse vitamins with markedly different potency levels, stability characteristics, and solubility profiles.
• Solution: Developed and validated stability-indicating analytical methods using dual-method architecture, forced degradation studies, and optimised chromatographic conditions for multivitamin tablets.
• The final outcome: a set of robust, selective, and stability‑indicating methods capable of accurately assessing all key quality attributes of the multivitamin tablet
• Value delivered: This comprehensive approach showcased Recipharm's ability to translate complex product characteristics into reliable, routine-ready methods

Analytical method development for multi‑component pharmaceutical products has become increasingly demanding as modern formulations incorporate chemically diverse actives with wide potency variations and complex degradation behaviour. Multivitamin tablets, in particular, present significant scientific challenges due to overlapping spectral properties, highly variable solubility, and susceptibility to oxidative and thermal degradation. These factors heighten the risk of coelution, poor sensitivity at trace levels, and inconsistent impurity detection, making it essential to design highly selective, stability‑indicating methods that can remain reliable across the product lifecycle. The need for such robust analytical solutions is reinforced by evolving regulatory expectations that emphasise data integrity, specificity, and reproducibility across laboratories.

This case study explores how the Recipharm analytical team were able to deliver regulatory‑ready, stability‑indicating methods for a chemically diverse, multi‑active product through:

• Mechanistic chromatographic design
• Forced-degradation studies
• ICH-compliant validation
• Supported by structured technology transfer

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Explore how partnering with a CDMO can help support your high-complexity formulations from development through to commercial supply.