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Oral insulin absorption remains one of the most significant hurdles in diabetes management today. Despite years of dedicated research, researchers still struggle to deliver proteins effectively through the gastrointestinal tract. A recent study introduces a natural metabolite-based deep eutectic system (BL-DES) to overcome these physical barriers. This food-grade strategy uses a combination of betaine and lactic acid to enhance the movement of proteins. By addressing the specific challenges of the gut environment, this technology offers a promising path for future diabetic care.
The BL-DES system works through multiple mechanisms to improve drug delivery. First, it significantly reduces the viscosity of simulated intestinal mucus. Consequently, insulin can permeate the mucus layer much more easily than traditional oral formulations. Furthermore, jejunal administration of this system showed a significant hypoglycemic effect in preclinical tests. This discovery is vital for medical practitioners in India. In our clinical landscape, patient compliance with injectable insulin often limits the success of long-term treatment.
Beyond mucus penetration, the study highlights how BL-DES affects the intestinal epithelium directly. Mechanistic investigations show that the system promotes paracellular transport. It achieves this effect by reversibly opening tight junctions between intestinal cells. Because the process is reversible, the intestinal barrier remains intact and healthy after absorption is complete. Moreover, comprehensive hematological and histological evaluations confirmed that the system is safe and biocompatible. Therefore, this food-grade approach could soon revolutionize how we deliver various biologic medications.
BL-DES is a deep eutectic system made of betaine and lactic acid. It acts as a food-grade carrier to help proteins like insulin bypass intestinal barriers for better absorption.
The system reduces the thickness of intestinal mucus and safely opens the tight junctions between cells. This allowing insulin to enter the bloodstream without damaging the gut tissue.
Preliminary studies show high biocompatibility and safety in cellular and histological models. However, further clinical trials are necessary before it becomes available for human patients.
Disclaimer: This content is for informational and educational purposes only. It does not constitute medical advice or a substitute for professional healthcare. Refer to the latest local and national guidelines for clinical practice.
References
Di S et al. Enhanced Intestinal Absorption of Proteins via a Natural Metabolite-Based Deep Eutectic System. J Agric Food Chem. 2026 Apr 21. doi: 10.1021/acs.jafc.5c13281. PMID: 42012221.
Han et al. Re-engineering insulin for oral delivery: structural modifications, advanced formulation strategies, and future directions. PMC. 2023.
Li et al. Deep Eutectic Solvents as Active Pharmaceutical Ingredient Delivery Systems in the Treatment of Metabolic Related Diseases. PMC. 2021.
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Researchers have developed a betaine and lactic acid-based system (BL-DES) that significantly improves the intestinal absorption of proteins like insulin....
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