Comments on: Why Does Diet and Food Affect Your Blood Pressures

By: Apolonia

Apolonia — Tue, 09 Mar 2010 22:00:59 +0000

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By: Mika

Mika — Tue, 09 Mar 2010 21:58:59 +0000

All this reminds me is of something I happened to listen in one of my bio classes about a decade ago..I can't really recollect the whole of it cos I ditched bio for computer science. It's got something to do with our body making use of two pump like mechanisms for sodium and potassium. And there has to be some kinda balance between the two.
References :

By: Wahl

Wahl — Tue, 09 Mar 2010 16:56:47 +0000

What's the point of a potassium supplement and how do sodium and potassium affect blood pressure?
The supplements that I’m familiar with contain 99mg of potassium per tablet, which is 3% of your RDA. Only one single tablet per day is recommended. Potassium is a relatively abundant nutrient in all kind of food and thus is relatively difficult to get too little of it. How can one tablet of 3% RDA make much of a difference?

Also, while I more or less understand that there may not be a specific relationship between quantities of sodium and potassium in a person’s diet as each nutrient should be looked at on its own, a diet low in sodium and "high" in potassium is said to be beneficial for the blood pressure and heart. Do those two nutrients balance each other? Can you counteract a diet that’s too high in sodium by increasing your potassium intake?

Thanks!
I also vaguely remember something about a sodium and/or potassium pump or channel in the wall of certain (maybe all?) cells.