Does Iodized salt raises blood pressure?

Question

My blood pressure is within normal parameters (75-115) but the place where I am living in does not contain enough Iodine so lots of people need to supplement it with iodised salt. I have been told that it does not raise blood pressure because Sodium had been replaced by Pottasium. Has anybody knows a little bit of biochemistry and phisiology to explain thanks

Thank you very much for your kind reply. All your messages are confirming my suspicion. That Iodized salt might raise and will raise blood pressure under certain condition

I am undecided to which answer to choose as the best. Jayaraman or Angie. The links were excelent I have done biochemistry and Phisiology at university but that was some time ago
So Jayaraman links helped me to refresh forgotten knowledge. On the other hand Angie's links was also excellent... So I dont know which one to choose Thank you to both anyway

Answer 1

Iodized Salt raises Blood Pressured - the excerpts from- http://ajpregu.physiology.org/cgi/content/abstract/290/3/R514

How does salt retention raise blood pressure?

(By Mordecai P. Blaustein,1,2 Jin Zhang,1 Ling Chen,3 and Bruce P. Hamilton3,4)

(Departments of 1.Physiology and 2.Medicine and 3.Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Maryland School of Medicine; and 4.Division of Endocrinology, Department of Medicine, Baltimore Veterans Affairs Medical Center and University of Maryland School of Medicine, Baltimore, Maryland )

A critical question in hypertension research is: How is long-term blood pressure controlled? Excessive NaCl (Commom salt) ingestion or NaCl retention by the kidneys and the consequent tendency toward plasma volume expansion lead to hypertension. Nevertheless, the precise mechanisms linking salt to high blood pressure are unresolved. The discovery of endogenous ouabain, an adrenocortical hormone, provided an important clue. Ouabain, a selective Na+ pump inhibitor, has cardiotonic and vasotonic effects. Plasma endogenous ouabain levels are significantly elevated in 40% of patients with essential hypertension and in animals with several forms of salt-dependent hypertension. Also, prolonged ouabain administration induces hypertension in rodents. Mice with mutant Na+ pumps or Na/Ca exchangers (NCX) and studies with a ouabain antagonist and an NCX blocker are revealing the missing molecular mechanisms. These data demonstrate that 2 Na+ pumps and NCX1 participate in long-term regulation of vascular tone and blood pressure. Pharmacological agents or mutations in the 2 Na+ pump that interfere with the action of ouabain on the pump, and reduced NCX1 expression or agents that block NCX all impede the development of salt-dependent or ouabain-induced hypertension. Conversely, nanomolar ouabain, reduced 2 Na+ pump expression, and smooth muscle-specific overexpression of NCX1 all induce hypertension. Furthermore, ouabain and reduced 2 Na+ pump expression increase myogenic tone in isolated mesenteric small arteries in vitro, thereby tying these effects directly to the elevation of blood pressure. Thus, endogenous ouabain, and vascular 2 Na+ pumps and NCX1, are critical links between salt and hypertension. New pharmacological agents that act on these molecular links have potential in the clinical management of hypertension.

ouabain; Na+ pump; Na/Ca exchanger; Ca2+; myogenic tone

Answer 2

Salt is ok for you, too much salt will raise your blood pressure. But we are talking about a lot of salt. Sodium is not good for you. Sodium hardens arteries and causes a number of bad things that may lead to cancer. When you see sodium, that is what you should watch out for. I use kosher salt, sea salt, and iodized salt. I use kosher salt the most.

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Answer 3

Iodine is essential for regulating thyroid function and has little to no effect on blood pressure. It is the sodium in salt, not the iodine, that is related to blood pressure issues. However, newer research suggests the real culprits may be too little calcium and potassium. The links below answer your question more thoroughly. Hope it helps.

Answer 4

Iodine has nothing to do with blood pressure.

Blood pressure has mostly to do with how wide or narrow your arteries and veins are. The narrower they are, the higher your blood pressure. Imagine putting water through a syringe. Goes through easily enough. Now try putting peanut butter through. The pressure would be considerably higher.

Excessive salt tends to remove fluid from your body which thickens the blood. Thick blood and narrow passages cause high blood pressure. Thicker substance, same tube.

I'm sure you get the picture.

Answer 5

the iodine in salt will have no effect on raising your blood pressure. The salt in the salt will raise your blood pressure if you have salt related high blood pressure problems.

Sounds like you don't from your desrciption.

Don't worry. Be happy.

Answer 6

A little salt in moderation is not going to harm you.

If you are concerned... Can you not take a mulitvitamin or some other supplement (other than salt) to get iodine? I'm sure some are available.

Answer 7

Iodized Salt is just regular sodium salt with Iodine added...

Answer 8

salt makes your body retain fluid,causing your blood pressure to rise, you need some salt,but not a lot.
I have high blood pressure,my DR. told me to cut down on my salt.
hope this helps.

Answer 9

salt raises blood pressure. iodized or not. the salt is iodized so that u dont get hypothyroidism due to lack of iodine.

Answer 10

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