Two hours after eating a high-potassium meal, people with controlled high blood pressure have slightly higher diastolic blood pressure compared to a low-potassium meal, though the difference is small.

When people with controlled high blood pressure eat a meal high in potassium, their blood potassium levels go up significantly compared to a low-potassium meal, especially within an hour and two hours after eating.

One hour after eating a high-potassium meal, people with controlled high blood pressure have higher blood fat levels compared to a low-potassium meal, which is a statistically significant difference.

One hour after eating a low-potassium meal, people with controlled high blood pressure have higher blood sugar levels than after a high-potassium meal, which is a statistically significant difference.

After eating a high-potassium meal, people with controlled high blood pressure may have slightly better blood vessel relaxation two hours later, but this difference isn't strong enough to be considered statistically significant.

People with controlled high blood pressure who ate more potassium-rich foods were more likely to manage their condition with less than half their original medication dose after a year—81% compared to 29% in those who didn't change their diet.