A cross-over trial on soy intake and serum leptin levels in women with metabolic syndrome
2010

Soy Intake and Serum Leptin Levels in Women with Metabolic Syndrome

Sample size: 42 publication Evidence: low

Author Information

Author(s): Azadbakht Leila, Esmaillzadeh Ahmad

Primary Institution: Isfahan University of Medical Sciences

Hypothesis

Does soy consumption affect serum leptin levels in postmenopausal women with metabolic syndrome?

Conclusion

Neither soy protein nor soy nut consumption significantly changed weight or serum leptin levels in postmenopausal women with metabolic syndrome.

Supporting Evidence

  • Participants did not experience significant weight changes during the trial.
  • Serum leptin levels remained unchanged across all diet phases.
  • Soy groups had higher serum phytoestrogen levels compared to the control group.

Takeaway

Eating soy foods like soy protein and soy nuts didn't help women with metabolic syndrome lose weight or change their leptin levels, which is a hormone that helps control hunger.

Methodology

This was a randomized cross-over clinical trial where participants followed three different diets for eight weeks each.

Limitations

The study was short-term and may not reflect long-term effects of soy consumption.

Participant Demographics

Postmenopausal women with metabolic syndrome.

Statistical Information

P-Value

0.32

Statistical Significance

p = 0.32

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