Story perspectives

Dark Chocolate: A Heart-Healthy Treat for Hypertension?

12/17/2025

Summary

Story summary

Cardiologists say dark chocolate may support heart health, especially for those with hypertension, because flavanols may improve blood vessel function.
A study of over 8,000 adults shows moderate flavan-3-ols in dark chocolate link to lower hypertension, while very high intake offers no extra benefit.
Researchers at King's College London found theobromine in dark chocolate may slow aging, and experts say it should complement prescribed medical care and a balanced diet.

1 of 1

Story summary

Cardiologists say dark chocolate may support heart health, especially for those with hypertension, because flavanols may improve blood vessel function.
A study of over 8,000 adults shows moderate flavan-3-ols in dark chocolate link to lower hypertension, while very high intake offers no extra benefit.
Researchers at King's College London found theobromine in dark chocolate may slow aging, and experts say it should complement prescribed medical care and a balanced diet.