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Immune system, fatigue and infections Lists

Immunity: the top 10 zinc-rich foods

Zinc is known to be excellent for the immune system. Discover the ten best dietary sources of this trace-element. Can you guess which food takes the top spot?
Zinc-rich foods - offal, seafood and meat
Seafood and offal contain significant amounts of zinc … but they’re not the only good sources.
Rédaction Supersmart.
2021-02-10Commentaires (0)

Role of zinc in immunity

A mineral that’s essential for good health, zinc supports normal immune system function, in particular (1-5).

In addition, this trace-element plays a role in synthesising DNA and proteins, protecting cells against oxidative stress, and maintaining healthy skin, hair, nails and bones...

So without further ado, here are the 10 best dietary sources of zinc.

10) Unsweetened cocoa powder

At no. 10, unsweetened cocoa powder contains a good level of zinc. Anyone for a cup of hot chocolate?

There’s around 6.9 mg of zinc in 100g of unsweetened cocoa powder.

9) Morbier cheese

Certain cheeses are also important sources of zinc, one of which is morbier, a cow’s milk cheese that comes from the Jura mountains.

100g of morbier contains around 7mg of zinc.

8) Lobster

Seafood in general contains a lot of zinc. Perhaps you’re a fan of the delicious shellfish lobster?

If so, you’ll be getting 7.3mg of zinc for every 100g of lobster.

7) Vacherin Mont-d'Or

At no. 7 is another cheese: Mont-d'Or, a runny cheese from the same region as morbier.

There’s around 8mg of zinc in 100g of Vacherin Mont-d'Or.

6) Steamed or boiled crab

Back to seafood now, with another edible crustacean, this time crab, which has a significant amount of this trace-element.

100g of crab contains around 8mg of zinc.

5) Maroilles

From northern France, maroilles is a soft cheese famous for its strong taste and smell. It’s the cheese with the highest zinc content.

There’s around 9 mg of zinc in 100g of maroilles.

4) Rye and wheat bread

Another good source is rye and wheat bread. In fact, this rustic bread is generally a healthier, more nourishing option than standard wheat bread.

You’ll find around 10mg of zinc in every 100g of rye and wheat bread.

3) Beef stew or braised beef

Meat is an excellent source of zinc. Try a traditional beef stew with carrots, potatoes and leeks, or braised beef cooked slowly in a casserole. Cooked beef is among the foods with the highest content of zinc ... and protein.

There’s around 10.5mg of zinc in 100g of stewed or braised beef.

2) Calves’ liver – raw, sautéd or braised

Offal is an important source of zinc. You could opt for raw calves’ liver, marinated in olive oil, or calves’ liver cooked with mushrooms, served with pasta shells.

There’s around 13.2 mg of zinc in 100g of raw, sautéd or braised calves’ liver.

1) Oysters, raw or steamed

And the undisputed champion of the zinc-rich foods is the oyster. These marine molluscs which live in salty water, clustering on pieces of rock, contain record levels of zinc (6).

There is thus around 21.3mg of zinc in 100g of oysters.

And what about good plant sources of zinc?

As you’ll have noticed from this list, the highest levels of zinc are found in products of animal origin (seafood, offal, meat and cheese). What’s more, the zinc from these foods is generally better absorbed by the body.

There are, however, plant sources of zinc, such as:

How can I significantly increase my zinc intake?

To improve your intake of zinc, start by eating more of the above-mentioned foods. You also have the option of taking a zinc supplement.

Be aware that there are several types of zinc supplement available:

References

  1. EU register of nutrition and health claims made on foods (v.3.5)
  2. Wessels I, Maywald M, Rink L. Zinc as a Gatekeeper of Immune Function. Nutrients. 2017;9(12):1286. Published 2017 Nov 25. doi:10.3390/nu9121286
  3. Kurugöl Z, Akilli M, Bayram N, Koturoglu G. The prophylactic and therapeutic effectiveness of zinc sulphate on common cold in children. Acta Paediatr. 2006 Oct;95(10):1175-81. doi: 10.1080/08035250600603024. PMID: 16982486.
  4. Srivastava V, Rawall S, Vijayan VK, Khanna M. Influenza a virus induced apoptosis: inhibition of DNA laddering & caspase-3 activity by zinc supplementation in cultured HeLa cells. Indian J Med Res. 2009 May;129(5):579-86. PMID: 19675388.
  5. Hemilä H, Chalker E. The effectiveness of high dose zinc acetate lozenges on various common cold symptoms: a meta-analysis. BMC Fam Pract. 2015 Feb 25;16:24. doi: 10.1186/s12875-015-0237-6. PMID: 25888289; PMCID: PMC4359576.
  6. Rangan AM, Samman S. Zinc intake and its dietary sources: results of the 2007 Australian National Children's Nutrition and Physical Activity Survey. Nutrients. 2012;4(7):611-624. doi:10.3390/nu4070611
  7. Saunders AV, Craig WJ, Baines SK. Zinc and vegetarian diets. Med J Aust. 2013 Aug 19;199(S4):S17-21. doi: 10.5694/mja11.11493. PMID: 25369924.
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