Chia Seed Improves Glucose Tolerance and Modulates Insulin Signaling in Metabolic Syndrome

Strategic Insights -

Research published in Molecular and Cellular Endocrinology has demonstrated the effectiveness of chia seed in improving glucose tolerance and modulating insulin signaling in an experimental model of metabolic syndrome. The study, led by Maria Eugenia D'Alessandro and her team at National University Litoral, found that chia seed improved glucose tolerance, reversed the increase in key enzymes involved in gluconeogenesis, and enhanced insulin signaling in sucrose-rich diet (SRD) fed rats.

Key Takeaways:

  • Chia seed improved glucose tolerance in SRD fed rats, reducing the glucose-6-Pase/GK ratio and increasing the levels of tAMPK and pAMPK protein.
  • The incorporation of chia seed into the diet of SRD fed rats for 3 months improved insulin signaling, as evident from the increased levels of p-AKT protein under insulin stimulation.
  • Chia seed modulated the expression of key molecules involved in insulin signaling, including IRS-1 and PGC-1 alpha, and decreased the expression of liver FOXO-1 mRNA.
  • The enrichment of n-3 PUFAs in liver tissue was shown to mediate the effects of chia seed on glucose metabolism and insulin signaling.
  • The study demonstrated the potential of chia seed as a natural therapeutic agent for the prevention and treatment of metabolic syndrome.

Statistics:

  • The study used 30 male Wistar rats, with 10 rats in each of the three experimental groups: reference diet (RD), sucrose-rich diet (SRD), and SRD with chia seed (SRD + CHIA).
  • The rats were fed the diets for 6 months, with the SRD + CHIA group receiving the chia seed-enriched diet for the last 3 months.
  • The results showed significant improvements in glucose tolerance, insulin signaling, and glucose-6-Phosphatase/Glucokinase activity in the SRD + CHIA group compared to the SRD group.
  • The enrichment of n-3 PUFAs in liver tissue was increased by 20% in the SRD + CHIA group compared to the SRD group.

Sources:

  • A-linolenic Acid Rich-chia Seed Improves Glucose Tolerance, Modulates Gluconeogenic Pathway and Hepatic Insulin Signaling In an Experimental Model of Metabolic Syndrome. Molecular and Cellular Endocrinology, 2025;609.
  • D'Alessandro, M. E., et al. (2025). Chia Seed Improves Glucose Tolerance and Modulates Insulin Signaling in Sucrose-Rich Diet Fed Rats. Life Science Weekly, November 4, 2025; p 6982.