5 Zinc Supplement Benefits Include Lower Risk of Heart Disease

You may have used zinc to treat a common cold, but did you know that it benefits your cardiovascular system as well? Check out these zinc supplement benefits.

zinc supplement benefits

Low zinc levels are associated with comprised antioxidant defenses that normally protect the heart, leading to a susceptibility to oxidative stress.

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New studies show that low levels of zinc are found in many cardiac patients and supplementation can help relieve symptoms like angina. Learn whether you should take advantage of these zinc supplement benefits.

Zinc Deficiency Associated with Cardiac Diseases

Zinc levels tend to decline with age, just as the risk for cardiovascular diseases increases.[1] Some of the well-known consequences of zinc deficiency are a compromised immune system, skin conditions like dermatitis, increased susceptibility to infection and parasites, and growth failure.[2]

Researchers believe that decreased zinc levels might also increase your risk for cardiovascular disease.[3] Studies have found that zinc levels are often significantly lower in people with conditions like atherosclerosis, coronary artery disease, angina, and cardiac ischemia (reduced blood flow to the heart).[1,2,3,4,5] In one study, a higher rate of cardiac failure was found in patients who were zinc deficient.[4]

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Zinc Supplements Help Relieve Symptoms

In many cases, zinc supplements can help to relieve the conditions listed above. There are several studies showing that around 300 mg/day of zinc can prevent and treat angina (chest pain).[4] Supplementation with zinc has also been shown to protect the heart from injury due to lack of blood supply (ischemia).[2]

Why Does Zinc Help Your Heart Health?

So how, exactly, does zinc protect your heart? Zinc is involved in many enzymatic reactions, cellular signaling mechanisms, and other essential functions in the cell.[6] And although it is not an antioxidant itself, zinc can exhibit antioxidant effects indirectly through the activation of other molecules.[2,6]

Low zinc levels are associated with comprised antioxidant defenses that normally protect the heart, leading to a susceptibility to oxidative stress.[3,6] Zinc deficiency is also associated with cell death (apoptosis) in heart tissues, as zinc normally suppresses apoptosis.[2,3] Zinc supplementation is, therefore, an effective way to protect the heart from injury.[6]

Are You Zinc Deficient?

The adequate zinc intake is 8 mg/day for men and 11 mg/day for women. The upper limit is 40 mg/day for adults. You may not be getting enough zinc if you are elderly, vegetarian, have digestive problems that affect your absorption of nutrients, or are taking an ACE inhibitor.[6]

Talk with your doctor to determine whether you are zinc deficient and whether you might benefit from treatment with zinc. High doses of zinc can have negative effects, so work with your doctor to determine the best dosage.[4]

Share Your Experience

Do you have sufficient zinc intake, or have you ever needed a zinc supplement? Do you know of any other zinc supplement benefits? Share your experience in the comments section below.


SEE ALSO: 

Zinc Benefits for Diabetes: Natural Blood Sugar Control and More
4 Reasons to Take a Zinc Supplement for Parkinson’s Disease

 


This article was originally published in 2014. It has since been updated.

[1] Biol Trace Elem Res. 2013 Sep;154(3):352-6.

[2] Biometals. 2013 Dec;26(6):863-78.

[3] Biol Trace Elem Res. 2011 Dec;144(1-3):436-44.

[4] Med Hypotheses. 2006;66(1):169-72. Epub 2005 Aug 5.

[5] Angiology. 2010 Jul;61(5):449-55.

[6] J Cardiovasc Pharmacol. 2014 Oct;64(4):393-400.

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Comments
  • I had heart attack twice. In 2002 two stent have been inserted in the lcx and lad. Then the stents work up to 2015 and angiogram in that year shows 45% block in the lad but the stents were clear. Then again an angiogram in 2016 shows that the lad is blocked 100% but collaterally functions. Now my problems are like weight loss, weak, sleeplessness.
    Dr. Devy Prasad Shetty of Narayana Health Center at Bangalore, India, said I need not go for operation. He gave a medical management. Now I want to get rid of such suffering. I came to know that there some new methods of megaveg system to clear the bloc without surgery.

    My question is that can I make it done anywhere.

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