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Dark chocolate: guilty pleasure or a renal ally?

16 décembre 2025

Dark chocolate: guilty pleasure or a renal ally?

By Ana Espino | Published on December 16, 2025 | 3 min readControlling blood pressure and renal perfusion is essential in nephrology, since these two parameters play a key role in preventing cardiovascular and kidney disease. Good blood flow to the kidneys helps preserve their function, whereas high or poorly regulated blood pressure can accelerate renal deterioration. Improving renal vasodilation

By Ana Espino | Published on December 16, 2025 | 3 min read


Controlling blood pressure and renal perfusion is essential in nephrology, since these two parameters play a key role in preventing cardiovascular and kidney disease. Good blood flow to the kidneys helps preserve their function, whereas high or poorly regulated blood pressure can accelerate renal deterioration. Improving renal vasodilation could therefore be an interesting therapeutic lever, particularly in at-risk patients.  

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Scientific reference

Gargiulo L, et al. The Acute Effect of Dark Chocolate on Blood Pressure and Renal Hemodynamics as Assessed With Doppler Ultrasound in Healthy Volunteers. J Ren Nutr. 2025 Jul;35(4):486-493. doi: 10.1053/j.jrn.2025.02.003. Epub 2025 Feb 28. PMID: 40024389

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