This clinical trial aims to evaluate the High Potassium Diet Rich in Spices and Herbs-Salt Substitution (HPSH-SS) for reducing blood pressure in older adults. The study has two phases: the first focuses on developing a high-potassium, low-sodium diet, while the second involves a 14-day randomized controlled trial. Participants are divided into two groups: the intervention group (IG) receives an 1800 kcal daily diet with 3500 mg potassium and 1500 mg sodium, while the control group (CG) receives a diet with 1500 mg potassium and 2000 mg sodium. Key outcomes include changes in blood pressure, serum potassium, aldosterone, nitric oxide, and oxidative stress markers. The results could provide new dietary strategies for managing blood pressure in the elderly.
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Change in Blood Pressure (mmHg)
Timeframe: Baseline, Day 8, and Day 15