Tempeh’s Hidden Power: Fermented Jack Beans Fight High Blood Pressure from Within

High blood pressure remains a top global health threat, but everyday fermented foods might hold a secret weapon. Researchers turned to jack bean tempeh-a nutritious, plant-based staple to uncover its potential. Unlike unfermented jack beans, this fermented version releases special peptides during digestion that target the enzyme driving hypertension.
In a clever lab model mimicking the small intestine, both tempeh and plain jack beans showed peptides absorbing best in the middle gut section. Yet tempeh’s peptides shone brighter, delivering stronger blood pressure-fighting action across the entire intestine and outperforming unfermented beans overall. These “pro-drug” peptides, identified as a unique mix from the fermentation process, could make tempeh a simple dietary ally for heart health.

Source : https://pubmed.ncbi.nlm.nih.gov/37200791/