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Phosphatidylserine Supplement Improves Liver Health and Blood Sugar Control in Mice

New research shows phosphatidylserine supplementation reduces liver fat and inflammation while improving glucose control through enhanced fat metabolism.

Sunday, March 29, 2026 0 views
Published in Diabetes
Scientific visualization: Phosphatidylserine Supplement Improves Liver Health and Blood Sugar Control in Mice

Summary

Researchers found that phosphatidylserine (PS) supplementation significantly improved liver health and blood sugar control in mice with fatty liver disease and diabetes-like conditions. PS reduced liver fat accumulation, inflammation, and scarring while enhancing insulin sensitivity. Surprisingly, these benefits occurred despite suppressed glucose metabolism, as the supplement shifted the body toward burning fat for energy instead. The study used mice with metabolic dysfunction-associated steatohepatitis (MASH), a serious form of fatty liver disease. PS supplementation improved mitochondrial function in muscle tissue and enhanced overall metabolic flexibility, suggesting the phospholipid helps cells become more efficient at using available fuel sources.

Detailed Summary

This groundbreaking study reveals that phosphatidylserine supplementation offers dual benefits for liver health and metabolic control, potentially addressing two major health challenges simultaneously. Fatty liver disease affects millions worldwide and often progresses alongside diabetes, creating a dangerous cycle of metabolic dysfunction.

Researchers used the MUP-uPA mouse model to study both early fatty liver disease and advanced metabolic dysfunction-associated steatohepatitis (MASH) with fibrosis. Mice received dietary phosphatidylserine supplementation while researchers monitored liver function, blood glucose control, and cellular metabolism across multiple tissues.

The results were remarkable: PS supplementation reduced liver triglyceride accumulation, inflammation, and fibrosis in mice with MASH. Simultaneously, both male and female mice showed improved glucose control and insulin sensitivity. Most intriguingly, these benefits occurred despite suppressed glycolysis and glucose oxidation, indicating PS works through alternative metabolic pathways.

Metabolic analysis revealed that PS shifted fuel utilization toward fat metabolism, particularly in muscle tissue. This metabolic flexibility enhancement was accompanied by improved mitochondrial function and oxidative capacity, suggesting PS helps cells become more efficient energy producers. The supplement also enhanced insulin signaling in both muscle and liver tissues.

For longevity and health optimization, these findings suggest PS supplementation could address multiple aspects of metabolic syndrome simultaneously. By improving liver health while enhancing metabolic flexibility, PS may help prevent the progression from fatty liver to more serious liver disease while maintaining healthy blood sugar levels.

However, this research was conducted in mice, and human studies are needed to confirm these benefits and establish optimal dosing protocols for therapeutic use.

Key Findings

  • PS supplementation reduced liver fat, inflammation, and fibrosis in mice with fatty liver disease
  • Blood glucose control and insulin sensitivity improved in both male and female mice
  • Benefits occurred through enhanced fat metabolism rather than glucose metabolism
  • Mitochondrial function and oxidative capacity improved significantly in muscle tissue
  • PS enhanced insulin signaling in both liver and muscle tissues

Methodology

Study used MUP-uPA mouse model comparing wild-type mice with hepatic steatosis to MUP-uPA mice with MASH and fibrosis. Researchers analyzed metabolic flux, gene expression, and tissue-specific metabolic changes following dietary PS supplementation.

Study Limitations

Study conducted only in mice, requiring human trials for clinical validation. Optimal dosing, long-term safety, and individual response variations in humans remain unknown.

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