The goal of this clinical trial is to learn about the acute effects of beetroot extract in older women with high blood pressure. The main questions it aims to answer are: Does beetroot extract affect blood pressure during exercise? Does it change oxygen levels in the muscles? Participants will take a beetroot supplement and perform an aerobic exercise session to check how their bodies respond.
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Systolic and Diastolic Blood Pressure
Timeframe: Baseline (Rest), during intervention (at 10 and 20 minutes), immediately post-intervention (at 30 minutes), and 10 minutes post-intervention recovery.